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:
Weight-Distributing Hitch Adjustment
A. Body to Ground Distance
B. Front of Vehicle
When using a weight-distributing hitch, the spring bars should be adjusted so the distance (A) is the same after coupling the trailer to the tow vehi ...
Antilock Brake System (ABS) Warning Light
For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is started.
If it does not, have the vehicle serviced by your dealer. If the system is working normall ...
Remote Start Ready
If the vehicle does not have the remote vehicle start feature, it may have the
remote start ready feature. This feature allows your dealer to add the manufacturer's
remote vehicle start featur ...





