OnStar®
Keys and LocksInformation Displays
Driver Information Center (DIC)
The DIC displays information about the vehicle. It also displays warning messages
if a system problem is detected. See Vehicle Messages on page 5-26. All messages
appear in the DIC display in the instrument cluster.
DIC Operation and Displays
The DIC has differ ...
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, ...
Torque Lock (Automatic Transmission)
If you are parking on a hill and you do not shift the transmission into P (Park)
properly, the weight of the vehicle may put too much force on the parking pawl in
the transmission. You may find it difficult to pull the shift lever out of P (Park).
This is called “torque lock.” To prevent torque ...