OnStar®
OnStar OverviewConversions and Add-Ons
Add-On Electrical Equipment
Caution
Some electrical equipment can damage the vehicle or cause components
to not work and would not be covered by the warranty. Always check with your dealer
before adding electrical equipment.
Add-on equipment can drain the vehicle's 12-volt battery, even i ...
Managing the Vehicle Damage Repair Process
In the event that the vehicle requires damage repairs, GM recommends that you
take an active role in its repair. If you have a pre-determined repair facility
of choice, take the vehicle there, or have it towed there.
Specify to the facility that any required replacement collision parts be origi ...
Engine Heater
The engine heater can provide easier starting and better fuel economy during
engine warm-up in cold weather conditions at or below -18°C (0°F). Vehicles with
an engine heater should be plugged in at least four hours before starting.
Turn off the engine.
Open the hood and unwrap the ...