GM Service Manual Online
For 1990-2009 cars only

These vehicle accessories may be used for up to 10 minutes after the engine is turned off.

    • Audio System
    • Power Windows, if equipped
    • Sunroof, if equipped

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