Information Displays
Driver Information Center (DIC) (Base Level)
The DIC displays are shown in the center of the instrument cluster in the Info app. See Instrument Cluster (Base Level) 0 102 or Instrument Cluster (Uplevel) 0 104. The displays show the status of many vehicle systems. If the vehicle has a diesel engine, see the Duramax diesel supplement.
o or p : Press to move left or right between the interactive display zones in the instrument cluster. Press the thumbwheel to select. w or x : Use the thumbwheel to scroll up or down in a list. Press the thumbwheel to open a menu or select a menu item. Press and hold to reset values on certain screens.
Info Page Options
The info pages on the DIC can be turned on or off through the Options menu. 1. Press o or p to scroll to the Options
application. 2. Scroll w or x to choose Info pages and
press the thumbwheel. 3. Scroll w or x to move through the list
of possible information displays. 4. Press the thumbwheel, while an item is
highlighted, to select or deselect that item.
The info pages can also be turned on or off through the DIC page Info Page Options.
Info Pages
The following is the list of all possible DIC info page displays. Some may not be available for your particular vehicle. Some items may not be turned on by default but can be turned on through the Options app. See “Info Page Options” earlier in this section.
Speed : Shows the vehicle speed in either kilometers per hour (km/h) or miles per hour (mph). The vehicle odometer is also shown on this page. If equipped, press the thumbwheel to open the menu and select to display speed limit signs.
Trip 1 or Trip 2, and Average Fuel Economy : Shows the current distance traveled, in either kilometers (km) or miles (mi), since the trip odometer was last reset. The Average Fuel Economy display shows the approximate average liters per 100 kilometers (L/100 km), kilometers per liter (km/L), or miles per gallon (mpg). This number is calculated based on the value recorded since the last time this menu item was reset. This number reflects only the
Instruments and Controls 125
approximate average fuel economy that the vehicle has at that moment, and changes as driving conditions change. Press the thumbwheel while this display is active to reset the trip odometer and the average fuel economy.
Fuel Range : Shows the approximate distance the vehicle can be driven without refueling. LOW will be displayed when the vehicle is low on fuel. The fuel range estimate is based on an average of the vehicle's fuel economy over recent driving history and the amount of fuel remaining in the fuel tank.
Timer : To start the timer, press the thumbwheel while this display is active. The display will show the amount of time that has passed since the timer was last reset. To stop the timer, press the thumbwheel briefly while this display is active and the timer is running. Press the thumbwheel while this display is active to reset the timer.
Oil Life : Shows an estimate of the remaining oil life. If REMAINING OIL LIFE 99% is displayed, that means 99% of the current oil life remains.
When the remaining oil life is low, the CHANGE ENGINE OIL SOON message will appear on the display. The oil should be changed as soon as possible. See Engine Oil 0 324. In addition to the engine oil life system monitoring the oil life, additional maintenance is recommended. See Maintenance Schedule 0 400. The Oil Life display must be reset after each oil change. It will not reset itself. Do not reset the Oil Life display at any time other than when the oil has just been changed. It cannot be reset accurately until the next oil change. To reset, see Engine Oil Life System 0 325.
Tire Pressure : Shows the approximate pressures of all four tires. Tire pressure is displayed in either kilopascal (kPa) or in pounds per square inch (psi). If the pressure is low, the value for that tire is shown in amber. See Tire Pressure Monitor System 0 360 and Tire Pressure Monitor Operation 0 361.
Air Filter Life : Shows an estimate of the remaining engine air filter’s life and the state of the system. Engine Air Filter Life 95% means 95% of the current air filter life remains. Messages will display based on the engine air filter life and the state of the
system. When the REPLACE SOON message displays, the engine air filter should be replaced at the earliest convenience. The Air Filter Life display must be reset after the engine air filter replacement. To reset, see Engine Air Filter Life System 0 327.
Brake Pad Life : Displays an estimate of the remaining life of the front and rear brake pads. Messages will display based on brake pad wear and the state of the system. Reset the Brake Pad Life display after replacing the brake pads. See Brake Pad Life System 0 334.
Fuel Economy : Displays average fuel economy, the best fuel economy over the selected distance, and a bar graph showing instantaneous fuel economy. Press the thumbwheel to change the selected distance. Press and hold the thumbwheel while this display is active to reset the best fuel economy and average fuel economy. This display can also be reset by selecting Reset in the menu.
Engine Hours (Hourmeter) : Shows the total number of hours the engine has run. This display also shows the engine idle hours.
126 Instruments and Controls Transmission Fluid Temperature : Shows the temperature of the automatic transmission fluid in either degrees Celsius (°C) or degrees Fahrenheit (°F).
Trailer Brake : On vehicles with the Integrated Trailer Brake Control (ITBC) system, the trailer brake display appears in the DIC. TRAILER GAIN shows the trailer gain setting. This setting can be adjusted from 0.0 to 10.0 with either a trailer connected or disconnected. OUTPUT shows the power output to the trailer any time a trailer with electric brakes is connected. Output is displayed as a bar graph. Dotted lines may appear in the OUTPUT display if a trailer is not connected.
Off Road : If equipped, displays vehicle pitch and roll information, road wheel angle, and four-wheel drive (4WD) status.
Follow Distance : If equipped, the current follow time to the vehicle ahead is displayed as a time value on this page.
Driver Assistance : If equipped, shows information for Lane Keep Assist (LKA) and Forward Collision Alert (FCA).
Info Page Options : Scroll to choose which info pages appear on the DIC. Press the thumbwheel to select or deselect.
Blank Page : Shows no information.
Driver Information Center (DIC) (Uplevel)
The DIC displays are shown in the center of the instrument cluster in the Info app. See Instrument Cluster (Base Level) 0 102 or Instrument Cluster (Uplevel) 0 104. The displays show the status of many vehicle systems. If the vehicle has a diesel engine, see the Duramax diesel supplement.
o or p : Press to move left or right between the interactive display zones in the instrument cluster. Press the thumbwheel to select. w or x : Use the thumbwheel to scroll up or down in a list. Press the thumbwheel to open a menu or select a menu item. Press and hold to reset values on certain screens.
Info Page Options
The info pages on the DIC can be turned on or off through the Options menu. 1. Press o or p to scroll to the Options
application. 2. Scroll w or x to choose Info pages and
press the thumbwheel. 3. Scroll w or x to move through the list
of possible information displays. 4. Press the thumbwheel, while an item is
highlighted, to select or deselect that item.
The info pages can also be turned on or off through the DIC page Info Page Options.
Instruments and Controls 127 Info Pages
The following is the list of all possible DIC info page displays. Some may not be available for your particular vehicle. Some items may not be turned on by default but can be turned on through the Options app. See “Info Page Options” earlier in this section.
Speed : Shows the vehicle speed in either kilometers per hour (km/h) or miles per hour (mph).
Drive Summary : Displays the current distance traveled, in either kilometers (km) or miles (mi). It also includes the Average Fuel Economy. Average Fuel Economy shows the approximate average liters per 100 kilometers (L/100 km), kilometers per liter (km/L), or miles per gallon (mpg). This number only reflects the approximate Average Fuel Economy that the vehicle has at that moment, and changes as driving conditions change. The timer shows the time in the current drive cycle. All values in the Drive Summary are automatically reset each time the vehicle is started.
Trip 1 or Trip 2, Average Fuel Economy, and Average Speed : Shows the current distance traveled, in either kilometers (km) or miles (mi), since the trip odometer was last reset. The Average Fuel Economy display shows the approximate average liters per 100 kilometers (L/100 km), kilometers per liter (km/L), or miles per gallon (mpg). This number is calculated based on the value recorded since the last time this menu item was reset. This number reflects only the approximate average fuel economy that the vehicle has at that moment, and changes as driving conditions change. Average Speed shows the average speed of the vehicle in kilometers per hour (km/h) or miles per hour (mph). This average is calculated based on various vehicle speeds recorded since the last reset of this value. Press the thumbwheel while this display is active to reset the values.
Timer : To start the timer, press the thumbwheel while this display is active. The display will show the amount of time that has passed since the timer was last reset. To stop the timer, press the thumbwheel briefly while this display is active and the timer is running.
Press the thumbwheel while this display is active to reset the timer.
Tire Pressure : Shows the approximate pressures of all four tires. Tire pressure is displayed in either kilopascal (kPa) or in pounds per square inch (psi). If the pressure is low, the value for that tire is shown in amber. See Tire Pressure Monitor System 0 360 and Tire Pressure Monitor Operation 0 361.
Fuel Economy : Displays average fuel economy, the best fuel economy over the selected distance, and a bar graph showing instantaneous fuel economy. Press the thumbwheel to change the selected distance. This display can be reset by selecting Reset in the menu.
Driver Assistance : If equipped, shows information for Adaptive Cruise Control (ACC), Lane Keep Assist (LKA), Forward Collision Alert (FCA), and Follow Distance Indicator(FDI).
Oil Life : Shows an estimate of the remaining oil life. If REMAINING OIL LIFE 99% is displayed, that means 99% of the current oil life remains.
128 Instruments and Controls
When the remaining oil life is low, the CHANGE ENGINE OIL SOON message will appear on the display. The oil should be changed as soon as possible. See Engine Oil 0 324. In addition to the engine oil life system monitoring the oil life, additional maintenance is recommended. See Maintenance Schedule 0 400. The Oil Life display must be reset after each oil change. It will not reset itself. Do not reset the Oil Life display at any time other than when the oil has just been changed. It cannot be reset accurately until the next oil change. To reset, see Engine Oil Life System 0 325.
Brake Pad Life : Displays an estimate of the remaining life of the front and rear brake pads. Messages will display based on brake pad wear and the state of the system. Reset the Brake Pad Life display after replacing the brake pads. See Brake Pad Life System 0 334.
Air Filter Life : Shows an estimate of the remaining engine air filter’s life and the state of the system. Engine Air Filter Life 95% means 95% of the current air filter life remains. Messages will display based on the engine air filter life and the state of the
system. When the REPLACE SOON message displays, the engine air filter should be replaced at the earliest convenience. The Air Filter Life display must be reset after the engine air filter replacement. To reset, see Engine Air Filter Life System 0 327.
Trailer Brake : On vehicles with the Integrated Trailer Brake Control (ITBC) system, the trailer brake display appears in the DIC. TRAILER GAIN shows the trailer gain setting. This setting can be adjusted from 0.0 to 10.0 with either a trailer connected or disconnected. OUTPUT shows the power output to the trailer any time a trailer with electric brakes is connected. Output is displayed as a bar graph. Dotted lines may appear in the OUTPUT display if a trailer is not connected.
Off Road : If equipped, displays vehicle pitch and roll information, road wheel angle, and four-wheel drive (4WD) status. If the vehicle has low traction, a low traction indicator and the wheels affected will display amber in the Off-Road page.
Engine Hours (Hourmeter) : Shows the total number of hours the engine has run. This display also shows the engine idle hours.
Transmission Fluid Temperature : Shows the temperature of the automatic transmission fluid in either degrees Celsius (°C) or degrees Fahrenheit (°F).
Info Page Options : Scroll to choose which info pages appear on the DIC. Press the thumbwheel to select or deselect.
Blank Page : Shows no information.
Head-Up Display (HUD)
Warning
If the HUD image is too bright or too high in your field of view, it may take you more time to see things you need to see when it is dark outside. Be sure to keep the HUD image dim and placed low in your field of view.
If equipped with HUD, some information about the operation of the vehicle is projected onto the windshield. The image is projected through the HUD lens on top of the instrument panel. The information appears as an image focused out toward the front of the vehicle.
Instruments and Controls 129 Caution
If you try to use the HUD image as a parking aid, you may misjudge the distance and damage your vehicle. Do not use the HUD image as a parking aid.
The HUD information can be displayed in various languages. The speedometer reading and other numerical values can be displayed in either English or metric units. The language selection is changed through the radio, and the units of measurement are changed through the instrument cluster. See Settings (Base Radio) 0 177 or Settings (Uplevel Radio) 0 178 and “Options” under Instrument Cluster (Base Level) 0 102 or Instrument Cluster (Uplevel) 0 104.
HUD Display on the Windshield
Depending on how the vehicle is equipped, the HUD may display some of the following vehicle information and vehicle messages or alerts: . Speed . Audio . Phone . Navigation . Driver Assistance Features . Vehicle Messages Some vehicle messages or alerts displayed in the HUD may be cleared by using the steering wheel controls.
The HUD control is to the left of the steering wheel. To adjust the HUD image: 1. Adjust the driver seat. 2. Start the engine. 3. Use the following settings to adjust
the HUD. $ : Press or pull to center the HUD image. The HUD image can only be adjusted up and down, not side to side. ! : Press to select the display view. Each press will change the display view. D : Pull and hold to brighten the display. Press and hold to dim the display. Continue to hold to turn the display off.
130 Instruments and Controls
The HUD image will automatically dim and brighten to compensate for outside lighting. UseD to adjust as needed. The HUD image can temporarily light up depending on the angle and position of sunlight on the HUD display. This is normal. Polarized sunglasses could make the HUD image harder to see.
Head-Up Display (HUD) Rotation Option
If equipped, this feature under the Options menu of the instrument cluster allows for adjusting the angle of the HUD image and changing or turning off the Speed Limit Sign. HUD Rotation: Press the thumbwheel while Adjust Rotation is highlighted to enter Adjust Mode. Scroll to adjust the angle of the HUD display. Press the thumbwheel to confirm and save the setting. This feature may only be available in P (Park).
Speed Limit Style Adjustment
If equipped, the speed limit style can be changed to a speed limit bar or speed limit sign from the Options menu in the instrument cluster. Press the thumbwheel while Speed Limit Style is highlighted to change the speed sign style or to turn it off.
HUD Views
There are four views in the HUD. Some vehicle information and vehicle messages or alerts may be displayed in any view.
English Speed View Shown, Metric Similar
Speed View : This displays the speedometer reading in English or metric units, and speed limit. Some information only appears on vehicles that have these features, and when they are active.
English Active Safety View Shown, Metric Similar
Active Safety View : This displays the speed view along with a driver assistance graphic on the left. Driver assistance graphics show your vehicle, vehicle ahead, gap setting, and lane status information. In addition to driver assistance graphics, pedestrian advisory and trailer sway indicators will be displayed.
English Turn-by-Turn Shown, Metric Similar
English Compass Shown, Metric Similar
Navigation/Active OnStar View : This displays the speed view along with indicators for vehicle ahead, Lane Departure Warning/Lane Keep Assist, trailer sway, and pedestrian advisory. Turn-by-Turn navigation information is shown during active route. The compass heading is displayed when navigation routing is not active. Navigation Turn-by-Turn Alerts shown in the instrument cluster may also be displayed in any HUD view.
English Off Road View Shown, Metric Similar
Off Road View : This displays the speed view along with indicators for vehicle ahead, Lane Departure Warning/Lane Keep Assist, trailer sway, four-wheel drive status, and pedestrian advisory. Off-road information such as pitch angle, steering angle, and rolling angle is also shown.
Temporary Overlays
Infotainment: Audio, and Phone, are temporary overlays linked to cluster layouts.
English Audio Overlay Shown, Metric Similar
English Phone Overlay Shown, Metric Similar
Audio/Phone Overlay : This displays digital speed, indicators from speed view along with audio/phone information, vehicle ahead indicator, Lane Departure Warning/Lane Keep Assist, Adaptive Cruise Control, and set speed. The current radio station, media type, and incoming calls will also be displayed.
132 Instruments and Controls
Audio overlays display when the audio app is selected on the instrument cluster. All HUD views may briefly display audio information when the driver uses the steering wheel controls to adjust the audio settings appearing in the instrument cluster. Incoming phone calls appearing in the instrument cluster, may also display in any HUD view.
Care of the HUD
Clean the inside of the windshield to remove any dirt or film that could reduce the sharpness or clarity of the HUD image. Clean the HUD lens with a soft cloth sprayed with glass cleaner. Wipe the lens gently, then dry it.
HUD Troubleshooting
Check that: . Nothing is covering the HUD lens. . The HUD brightness setting is not too
dim or too bright. . The HUD is adjusted to the proper height. . Polarized sunglasses are not worn. . The windshield and HUD lens are clean. If the HUD image is not correct, contact your dealer.
The windshield is part of the HUD system. See Windshield Replacement 0 339.
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