Retained Accessory Power (RAP)
These vehicle accessories can be used for up to 10 minutes after the ignition key is turned off:
• Audio System
• Power Windows
• Sunroof (if equipped)
Power to the windows and sunroof will work up to 10 minutes or until a door is opened.
The radio continues to work for 10 minutes or until the driver door is opened.
For an additional 10 minutes of operation, close all the doors and turn the key to ON/RUN and then back to LOCK/OFF.
All these features will work when the key is in the ON/RUN or ACC/ACCESSORY positions.
See also:
Comprehensive safety system
The GMC Acadia has a comprehensive safety system that is designed to protect
passengers before, during and after a crash. Its strong structure and four-wheel
independent suspension system enhance ...
When to Check
Check the tires once a month or more.
Do not forget the spare tire, if the vehicle has one.
SeeFull-Size Spare Tire on page 10‑91 for additional information. ...
Hill Start Assist (HSA)
Non-hybrid vehicles with StabiliTrak have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade.
This feature is designed to prevent the vehicle from rolling, ...