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:
Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the
best fuel economy possible.
○ Avoid fast starts and accelerate smoothly.
○ Brake gradually and avoid abrup ...
Heavy-DutyTrailer Wiring Harness Package
For vehicles equipped with heavy duty trailering, the harness connector is mounted in the bumper.
The seven-wire harness contains the following trailer circuits:
• Yellow: Left Stop/Turn Signal
...
Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and
GPS signal reception. Cellular reception is required for OnStar to send remote signals
to the vehicle. ...





