Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, push
, and an Advisor can run a check.
See also:
Antilock Brake System (ABS)
This vehicle has the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid.
When the engine is started and the vehicle begins to drive away, ABS checks ...
Backglass Wiper Blade Replacement
1. Lift the wiper blade assembly up and out of
the park rest position.
2. Pull the wiper blade assembly away from the
backglass. The backglass wiper blade will not
lock in a vertical position, s ...
Door Ajar Light
For vehicles equipped with this light, it comes on when a door is open or not
securely latched. Before driving, check that all doors are properly closed. See
Door Ajar Messages for more in ...