Retained Accessory Power (RAP)
These vehicle accessories can be used for up to 10 minutes after the engine is turned off:
○ Audio System
○ Power Windows
○ Sunroof (if equipped)
Power to the audio system will continue to operate for up to 10 minutes or until the driver door is opened.
Power to the power windows and sunroof will continue to operate for up to 10 minutes or until any door is opened.
All these features will work when the key is in ON/RUN or ACC/ ACCESSORY.
See also:
Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See this manual's
Maintenance Schedule or Index for more information. Things that are especially important
in trailer operation are ...
Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers
and braking, which helps the passenger sensing system maintain the passenger airbag
status. See “Safety Belt ...
Fluids
Proper fluid levels and approved fluids protect the vehicle’s systems and components.
See Recommended Fluids and Lubricants on page 11‑12 for GM approved fluids.
• Engine oil and windshiel ...