OnStar Additional Information
IntroductionRemoval Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Disabling
and Enabling.
Disconnect the negative battery cable. Refer to ...
StabiliTrak® OFF Light
This light comes on briefly while starting the engine. If it does not, have the
vehicle serviced by your dealer.
This light comes on when the StabiliTrak system is turned off.
If StabiliTrak is off, the Traction Control System (TCS) is also off.
If the TCS is off, the system does not assist i ...
Accessories and Modifications
Adding non‐dealer accessories or making modifications to the vehicle can affect
vehicle performance and safety, including such things as airbags, braking, stability,
ride and handling, emissions systems, aerodynamics, durability, and electronic systems
like antilock brakes, traction cont ...