Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's warranty. Some add-on electrical equipment can keep other components from working as they should. Add-on equipment can drain the vehicle's 12&-volt battery, even if the vehicle is not operating.
The vehicle has an airbag system. Before attempting to add anything electrical to the vehicle, see Servicing the Airbag-Equipped Vehicle on page 3‑32 and Adding Equipment to the Airbag-Equipped Vehicle on page 3‑33.
See also:
Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps
To replace one of these bulbs:
1. Open the tailgate. See Tailgate on page 2‑10 for more information.
2. Remove the two rear lamp assembly screws near the tailgate latch strikerpost and pull ...
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...
Compass
The vehicle may have a compass in the Driver Information Center (DIC). ...





