OnStar®

For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
Automatic Crash Response
In a crash, built-in sensors automatically alert an OnStar Advisor who is immediately connected to the vehicle to see if you need help.
See also:
StabiliTrak® System
The StabiliTrak system assists with directional control of the vehicle in difficult
driving conditions. The system is on when the vehicle is started.
To turn off both Traction Control and Stabil ...
Exterior Lighting
The exterior lamp control is
located on the instrument
panel to the left of the
steering wheel.
: Turns off the exterior lamps.
AUTO: Automatic operation of the headlamps and other
exteri ...
How to Add Coolant to the Radiator
1. You can remove the radiator pressure cap
when the cooling system, including the
radiator pressure cap and upper radiator hose,
is no longer hot.
Turn the pressure cap slowly counterclockwis ...
