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 9‑64. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
To Use The Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord.
The electrical cord is located on the passenger side of the engine compartment,
in front of the air cleaner.
3. Plug it in ...
Vehicle Storage
WARNING
Batteries have acid that can burn you and gas that can explode. You can be badly
hurt if you are not careful. See Jump Starting on page 10‑76 for tips on working
around a battery wi ...
Engine Oil Change
When the CHANGE ENGINE OIL SOON message displays, have the engine oil and filter changed within the next 1 000 km/600 mi. If driven under the best conditions, the engine oil life system might not indi ...