OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationEngine Compartment Fuse Block
The engine compartment fuse block is on the driver side of the vehicle, near
the battery.
Caution
Spilling liquid on any electrical component on the vehicle may
damage it. Always keep the covers on any electrical component.
To access the fuses, press the tab at the front of the cover, and ...
Shifting out of Park
This vehicle is equipped with a shift lock control. The shift lock control is
designed to:
Prevent ignition key removal unless the shift lever is in P (Park) with
the shift lever button fully released.
Prevent movement of the shift lever out of P (Park) unless the ignition
is in ON/RUN ...
Traction Off Light
This light comes on briefly while
starting the engine. If it does not, have the vehicle serviced by your dealer. If
the system is working normally, the indicator light then turns off.
The traction off light comes on when the Traction Control System (TCS) has been
turned off by pressing and re ...