OnStar
Keys and LocksSafety Locks
The rear door safety locks prevent passengers from opening the rear doors from
inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is located on the inside edge of the rear doors.
To use the safety lock:
1. Insert the key into the safety lock slot and turn it so the slot is ...
Traction Control System (TCS)/StabiliTrak® Light
The StabiliTrak or Traction Control System (TCS) indicator/warning light comes
on briefly when the engine is started.
If the light does not come on, have the vehicle serviced by your dealer. If the
system is working normally, the indicator light turns off.
If the light is on and not flashing ...
Engine Oil Cooler Inlet Pipe Replacement (LUW)
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
Remove the exhaust manifold with catalytic converter. Refer to Exhaust
Manifold with Catalytic Converter Replacement.
Remove the engine oil cooler pipe bolts (1) an ...