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:
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 ...
Dolly Towing (Front-Wheel&- Drive Vehicles)
To tow the vehicle from the front with the rear wheels on the ground, do the
following:
1. Put the front wheels on a dolly.
2. Move the shift lever to P (Park)..
3. Set the parking brake..
4. ...
Engine Air Cleaner/Filter
If the vehicle has a diesel engine, see “Pickup Models” under “Engine Air Cleaner/Filter” in the Duramax® Diesel Supplement for the correct inspection and replacement procedures.
See Engine ...





