See also:

Retained Accessory Power (RAP)
These accessories can be used after the engine is turned off: - Audio system (up to 10 minutes or driver door is opened). - Power windows, sunroof (if equipped), and power outlets (up to 10 minu ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

Trailer Wiring Harness
Heavy-Duty Trailer Wiring Harness Package The vehicle has a seven-pin universal heavy-duty trailer connector attached to the rear bumper beam next to the integrated trailer hitch. The seven-wire ...