AUXILIARY DRIVING SYSTEMS
BLIND SPOT MONITORING (BSM) — IF EQUIPPED
The BSM system uses two radar sensors, located inside the rear fascia/bumper, to detect highway licensable vehicles (automobiles, trucks, motorcycles, etc.) that enter the blind spot zones from the rear/front/side of the vehicle.
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Rear Detection Zones
When the vehicle is started, the BSM Warning Light will momentarily illuminate in both outside rearview mirrors to let the driver know that the system is operational.
The BSM system sensors operate when the vehicle is in any forward gear or REVERSE.
BSM Warning Light
The BSM detection zone covers approximately one lane width on both sides of the vehicle 12 ft (3.8 m). The zone length starts at the outside rearview mirror and extends approximately 10 ft (3 m) beyond the rear
fascia/bumper of the vehicle. The BSM system monitors the detection zones on both sides of the vehicle when the vehicle speed reaches
approximately 6 mph (10 km/h) or higher and will alert the driver of vehicles in these areas.
The area on the rear fascia/bumper where the radar sensors are located must remain free of snow, ice, and dirt/road contamination so that the BSM system can function properly. Do not block the area of the rear fascia/bumper where the radar sensors are located with foreign objects (bumper stickers, bicycle racks, etc.).
Sensor Location
The BSM system notifies the driver of objects in the detection zones by illuminating the BSM warning light located in the outside mirrors in addition to sounding an audible (chime) alert and reducing the radio volume, page 211 for further information.
The BSM system monitors the detection zone from three different entry points (side, rear, front) while driving to see if an alert is necessary. The BSM system will issue an alert during these types of zone entries.
Vehicles that move into your adjacent lanes from either side of the vehicle.
Side Monitoring
Vehicles that come up from behind your vehicle on either side and enter the rear detection zone with a relative speed of less than 31 mph
(50 km/h).
Rear Monitoring
If you pass another vehicle slowly (with a relative speed of less than 15 mph (24 km/h)) and the vehicle remains in the blind spot for approximately 1.5 seconds, the warning light will be illuminated. If the difference in speed between the two vehicles is greater than
15 mph (24 km/h), the warning light will not illuminate.
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Overtaking/Approaching
The BSM system is designed not to issue an alert on stationary objects such as guardrails, posts, walls, foliage, berms, etc. However, occasionally the system may alert on such
objects. This is normal operation and your vehicle does not require service.
Overtaking/Passing
The BSM system will not alert you of objects that are traveling in the opposite direction of the vehicle in adjacent lanes page 341.
Opposing Traffic
Rear Cross Path (RCP)
RCP is intended to aid the driver when backing out of parking spaces where their vision of oncoming vehicles may be blocked. Proceed slowly and cautiously out of the parking space until the rear end of the vehicle is exposed. The RCP system will then have a clear view of the cross traffic and if an oncoming vehicle is detected, alert the driver.
RCP Detection Zones
RCP monitors the rear detection zones on both sides of the vehicle, for objects that are moving toward the side of the vehicle with a minimum speed of approximately 3 mph (5 km/h), to objects moving a maximum of approximately 20 mph (32 km/h), such as in parking lot situations.
When RCP is on and the vehicle is in REVERSE, the driver is alerted using both the visual and audible alarms, including reducing the radio volume.
In a parking lot situation, oncoming vehicles can be blocked by vehicles parked on either side.
If the sensors are blocked by other structures or vehicles, the system will not be able to alert the driver.
Blind Spot has three selectable modes of operation that are available in the Uconnect system.
When operating in Blind Spot Alert mode, the BSM system will provide a visual alert in the appropriate side view mirror based on a detected object. However, when the system is
operating in Rear Cross Path mode, the system will respond with both visual and audible alerts when a detected object is present. Whenever an audible alert is requested, the radio volume is reduced so that the alert can be better heard.
When operating in Blind Spot Alert Lights/ Chime mode, the BSM system will provide a visual alert in the appropriate side view mirror based on a detected object. If the turn signal is then activated, and it corresponds to an alert present on that side of the vehicle, an audible chime will also be sounded. Whenever a turn signal and detected object are present on the same side at the same time, both the visual and audio alerts will be issued. In addition to the audible alert the radio (if on) volume will be reduced so that the alert can be better heard.
When the system is in RCP, the system shall respond with both visual and audible alerts when a detected object is present. Whenever an audible alert is requested, the radio volume is reduced so that the alert can be better heard.
When the BSM system is turned off there will be no visual or audible alerts from either the BSM or RCP systems.
The BSM system will store the current operating mode when the vehicle is shut off. Each time the vehicle is started the previously stored mode will be recalled and used.
FORWARD COLLISION WARNING (FCW) WITH MITIGATION OPERATION
FCW with Mitigation provides the driver with audible warnings, visual warnings (within the instrument cluster display), and may apply
haptic warning in the form of a a brake jerk, to warn the driver when it detects a potential frontal collision. The warnings and limited braking are intended to provide the driver with enough time to react, avoid or mitigate the potential collision.
FCW monitors the information from the forward looking sensors, as well as the Electronic Stability Control (ESC) system, to calculate the probability of a forward collision. When the
system determines that a forward collision is probable, the driver will be provided with audible and visual warnings and may provide a brake jerk warning. If the driver does not take action based upon these progressive warnings, then the system will provide a limited level of active braking to help slow the vehicle and miti- gate the potential forward collision. If the driver reacts to the warnings by braking and the system determines that the driver intends to avoid the collision by braking but has not applied sufficient brake force, the system will compensate and provide additional brake force as required. If a Forward Collision Warning with Mitigation event begins at a speed below
20 mph (32 km/h), the system may provide the maximum or partial braking to mitigate the potential forward collision. If the Forward Colli- sion Warning with Mitigation event stops the vehicle completely, the system will hold the vehicle at standstill for two seconds and then release the brakes.
FCW Message
When the system determines a collision with the vehicle in front of you is no longer probable, the warning message will be deactivated
page 341.
The FCW button is located on the Uconnect display in the control settings. Forward Collision can be checked or unchecked, see page 138 for further information.
When FCW is selected off, there will be an "FCW OFF" icon that appears in the instrument cluster display.
Changing the FCW status to off prevents the system from warning you of a possible collision with the vehicle in front of you.
The FCW system’s default state is on. The FCW system state is kept in memory from one igni- tion cycle to the next. If the system is turned Off, it will remain off when the vehicle is restarted.
The FCW Sensitivity and Active Braking settings are programmable through the Uconnect system. Refer to page 138 for further information.
The default status of FCW is the “Far” setting and the Active Braking is set to “on”; this allows the system to warn you of a possible collision with the vehicle in front of you when you are farther away and it applies limited braking. This gives you the most reaction time to avoid a possible collision.
Changing the FCW status to the “Near” setting, allows the system to warn you of a possible
collision with the vehicle in front of you when you are much closer. This setting provides less reaction time than the “Far” setting, which allows for a more dynamic driving experience.
If the instrument cluster display reads “ACC/ FCW Limited Functionality” or “ACC/FCW Limited Functionality Clean Front Windshield” momentarily, there may be a condition that limits FCW functionality. Although the vehicle is still drivable under normal conditions, the active
braking may not be fully available. Once the condition that limited the system performance is no longer present, the system will return to its full performance state. If the problem persists, see an authorized dealer.
If the system turns off, and the instrument cluster display reads:
This indicates there is an internal system fault.
Although the vehicle is still drivable under
normal conditions, have the system checked by 6
an authorized dealer.
TIRE PRESSURE MONITORING SYSTEM (TPMS)
The Tire Pressure Monitoring System (TPMS) will warn the driver of a low tire pressure based on the vehicle recommended cold placard pressure.
The tire pressure will vary with temperature by about 1 psi (7 kPa) for every 12°F (6.5°C).
This means that when the outside temperature decreases, the tire pressure will decrease.
Tire pressure should always be set based on cold inflation tire pressure. This is defined as the tire pressure after the vehicle has not been driven for at least three hours, or driven less than 1 mile (1.6 km) after a three hour period. The cold tire inflation pressure must not exceed the maximum inflation pressure molded into the tire sidewall. The tire pressure will also increase as the vehicle is driven — this is normal and there should be no adjustment for this increased pressure.
See page 306 for information on how to properly inflate the vehicle’s tires.
The TPMS will warn the driver of a low tire pressure if the tire pressure falls below the low-pressure warning limit for any reason, including low temperature effects and natural pressure loss through the tire.
The TPMS will continue to warn the driver of low tire pressure as long as the condition exists, and will not turn off until the tire pressure is at or above the recommended cold placard pressure. Once the low tire pressure warning (TPMS Warning Light) illuminates, you must increase the tire pressure to the recommended cold placard pressure in order for the TPMS Warning Light to turn off. The system will
automatically update and the TPMS Warning Light will turn off once the system receives the updated tire pressures. The vehicle may need to be driven for up to 20 minutes above 15 mph (24 km/h) in order for the TPMS to receive this information.
When filling warm tires, the tire pressure may need to be increased up to an additional 4 psi (28 kPa) above the recommended cold placard pressure in order to turn the TPMS Warning Light off.
For example, your vehicle may have a recommended cold (parked for more than three hours) placard pressure of 30 psi (207 kPa).
If the ambient temperature is 68°F (20°C) and the measured tire pressure is 27 psi (186 kPa), a temperature drop to 20°F (-7°C) will decrease the tire pressure to approximately
23 psi (158 kPa). This tire pressure is sufficiently low enough to turn on the TPMS Warning Light. Driving the vehicle may cause the tire pressure to rise to approximately 27 psi (186 kPa), but the TPMS Warning Light will still be on. In this situation, the TPMS Warning Light will turn off only after the tires are inflated to the vehicle’s recommended cold placard pressure value.
The Tire Pressure Monitoring System (TPMS) uses wireless technology with wheel rim mounted electronic sensors to monitor tire
pressure levels. Sensors, mounted to each wheel as part of the valve stem, transmit tire pressure readings to the receiver module.
It is particularly important for you to check the tire pressure in all of the tires on your vehicle monthly and to maintain the proper pressure.
The TPMS consists of the following components:
The Tire Pressure Monitoring System (TPMS) Warning Light will illuminate in the instrument cluster and a chime will sound when tire pressure is low in
one or more of the four active road tires.
In addition, the instrument cluster will display an “Inflate to XX” message and a graphic showing the pressure values of each tire with the low tire pressure values shown in a different color.
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Tire Pressure Monitoring System Display
Should this occur, you should stop as soon as possible and inflate the tires with a low pressure condition (those shown in a different color in the instrument cluster graphic) to the vehicle’s recommended cold placard pressure inflation value as shown in the “Inflate to XX” message. Once the system receives the updated tire pressures, the system will automatically update, the graphic display in the instrument cluster will change color back to the original color, and the TPMS Warning Light will turn off.
The vehicle may need to be driven for up to 20 minutes above 15 mph (24 km/h) in order for the TPMS to receive this information.
When filling warm tires, the tire pressure may need to be increased up to an additional 4 psi (28 kPa) above the recommended cold placard pressure in order to turn the TPMS Warning Light off.
Low Tire Pressure Monitoring System Display
If a system fault is detected, the Tire Pressure Monitoring System (TPMS) Warning Light will flash on and off for 75 seconds and then remain on solid. The system fault will also sound a chime. In addition, the instrument cluster will display a "Service Tire Pressure System" message for a minimum of five seconds and then display dashes (- -) in place of the pressure value to indicate which sensor is not being received.
If the ignition switch is cycled, this sequence will repeat, providing the system fault still exists.
If the system fault no longer exists, the TPMS Warning Light will no longer flash, and the "Service Tire Pressure System" message will no longer display, and a pressure value will display in place of the dashes. A system fault can occur due to any of the following:
non-matching full size spare tire.
The Tire Pressure Monitoring System (TPMS) can be deactivated if replacing all four wheel and tire assemblies (road tires) with wheel and tire assemblies that do not have TPMS sensors,
such as when installing winter wheel and tire assemblies on your vehicle.
To deactivate the TPMS, first replace all four wheel and tire assemblies (road tires) with tires not equipped with Tire Pressure Monitoring System (TPMS) sensors. Then, drive the vehicle for 20 minutes above 15 mph (24 km/h). The TPMS will chime, the TPMS Warning Light will flash on and off for 75 seconds and then remain on. The instrument cluster will display the “Service Tire Pressure System” message and then display dashes (--) in place of the pressure values.
Beginning with the next ignition cycle, the TPMS will no longer chime or display the “Service Tire Pressure System” message in the instrument cluster but dashes (--) will remain in place of the pressure values.
To reactivate the TPMS, replace all four wheel and tire assemblies (road tires) with tires equipped with TPMS sensors. Then, drive the vehicle for up to 20 minutes above 15 mph (24 km/h). The TPMS will chime, the
TPMS Warning Light will flash on and off for 75 seconds and then turn off. The instrument
cluster will display the “Service Tire Pressure System” message and then display pressure values in place of the dashes. On the next ignition cycle the "Service Tire Pressure System" message will no longer be displayed as long as no system fault exists.
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