Retained Accessory Power (RAP)

The following vehicle accessories can be used for up to 10 minutes after the engine is turned off:
• Audio System
• Power Windows
• OnStar System (if equipped)
• Sunroof (if equipped)

These features work when the key is in ON/RUN or ACC/ ACCESSORY. Once the key is turned from ON/RUN to LOCK/OFF, the windows and sunroof continue to work up to 10 minutes until any door is opened. The radio continues to work for up to 10 minutes or until the driver door is opened.

    See also:

    Traction Control System (TCS)
    The vehicle has a Traction Control System (TCS) that limits wheel spin. On a front-wheel-drive vehicle, the system operates if it senses that one or both of the front wheels are spinning or beginn ...

    Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
    To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...

    Climate Controls
    A. Fan Control B. Temperature Control C. Air Delivery Mode Control D. Air Conditioning E. REAR (Rear Climate Control) F. Recirculation G. Rear Window Defogger Dual Automatic Climate Control S ...