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 InformationAutomatic Transmission
Continuously Variable Transmission (CVT)
The CVT is electronically controlled to produce maximum power and smooth operation.
A display in the instrument cluster indicates the selected range.
P (Park): This position locks the front wheels. Select P (Park) only when the
vehicle is stationary ...
Safety System Check
Now and then, check that the safety belt reminder light, safety belts, buckles,
latch plates, retractors, and anchorages are all working properly.
Look for any other loose or damaged safety belt system parts that might keep
a safety belt system from doing its job. See your dealer to have it rep ...
What to Use
Warning
Adding only plain water or some other liquid to the cooling system
can be dangerous. Plain water and other liquids, can boil before the proper coolant
mixture will.
The coolant warning system is set for the proper coolant mixture.
With plain water or the wrong mixture, the engine coul ...