Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Express Down Windows
Windows that have the express&-down feature allow the windows to be lowered without
holding the switch. Press the window switch fully and release it to activate the
express&-down feature. ...
Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this. ...
Storing Memory Positions
To save into memory:
1. Adjust the driver seat, seatback recliner, both outside mirrors, and the throttle and brake pedals, if equipped.
See Power Mirrors on page 2‑15 and Adjustable Throttle ...