Lighting Features
Entry Lighting
Some exterior lamps and interior lamps turn on briefly at night, or in areas with limited lighting, when K is pressed on the Remote Keyless Entry (RKE) transmitter. When a door is opened, the interior lamps come on. They stay on for about 20 seconds. When all of the doors have been closed or the ignition is turned on, they gradually fade out. This feature can be changed. See “Vehicle Locator Lights” under Vehicle Personalization (8 Inch Screen) 0 89 or Vehicle Personalization (7 Inch Screen) 0 94.
Exit Lighting
Some exterior lamps and interior lights come on at night, or in areas with limited lighting, when the driver door is opened after the ignition is turned off. The interior lamps come on after the ignition is turned off. The exterior lamps and interior lamps remain on for a set amount of time, then automatically turn off.
The exterior lamps turn off immediately by turning the exterior lamp control off. This feature can be changed. See Vehicle Personalization (8 Inch Screen) 0 89 or Vehicle Personalization (7 Inch Screen) 0 94.
Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. When the battery's state of charge is low, the voltage is raised slightly to quickly bring the charge back up. When the state of charge is high, the voltage is lowered slightly to prevent overcharging. If the vehicle has a voltmeter gauge or a voltage display on the Driver Information Center (DIC), you may see the voltage move up or down. This is normal. If there is a problem, an alert will be displayed.
The battery can be discharged at idle if the electrical loads are very high. This is true for all vehicles. This is because the generator (alternator) may not be spinning fast enough at idle to produce all the power needed for very high electrical loads. A high electrical load occurs when several of the following are on, such as: headlamps, high beams, fog lamps, rear window defogger, climate control fan at high speed, heated seats, engine cooling fans, trailer loads, and loads plugged into accessory power outlets. EPM works to prevent excessive discharge of the battery. It does this by balancing the generator's output and the vehicle's electrical needs. It can increase engine idle speed to generate more power, whenever needed. It can temporarily reduce the power demands of some accessories.
Normally, these actions occur in steps or levels, without being noticeable. In rare cases at the highest levels of corrective action, this action may be noticeable to the driver.
Battery Power Protection
The battery saver feature protects against draining the vehicle's battery. If some interior lamps or the manual parking lamps or headlamps are left on and the ignition is turned off, the battery rundown protection system automatically turns the lamp off after some time.
To restart the 10-minute timer, turn the exterior lamp control to the O position and then back to the ; or 5 position. To keep the lamps on for more than 10 minutes, the ignition must be on or in ACC/ACCESSORY.
Exterior Lighting Battery Saver
The exterior lamps turn off about 10 minutes after the ignition is turned off, if the parking lamps or headlamps have been manually left on. This protects against draining the battery. To restart the 10-minute timer, turn the exterior lamp control to the O position and then back to the ; or 2 position. To keep the lamps on for more than 10 minutes, the ignition must be on or in ACC/ACCESSORY.
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