Rear Window Defogger

the rear window defogger on or off. The rear window defogger turns off after about REAR (Rear Defogger): Press to turn the rear window defogger on or off. The rear window defogger turns off after about 10 minutes. It can also be turned off by turning the ignition to ACC/ACCESSORY or LOCK/OFF. If turned on again, it runs for about five minutes before turning off.

Do not drive the vehicle until all the windows are clear.

Notice: Do not use a razor blade or sharp object to clear the inside rear window. Do not adhere anything to the defogger grid lines in the rear glass. These actions may damage the rear defogger. Repairs would not be covered by your warranty.

    See also:

    Using the “Dial” or “Call” Command
    1. Press and hold for two seconds. 2. Say “Dial” or “Call.” 3. Say the entire number without pausing, or say the name tag. Once connected, the person called will be heard through the audio ...

    Navigation
    OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the vehic ...

    Running the Vehicle While Parked
    It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine e ...