Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle.
To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gasoline advertised as TOP TIER Detergent Gasoline.
See also:
Driving on Grades
Reduce speed and shift to a lower
gear before starting down a long or
steep downgrade. If the
transmission is not shifted down, the
brakes might have to be used so
much that they would get h ...
Transferring Service
Push to request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information. If OnStar
receives information that vehicle
ownership has chan ...
What to Add
If the vehicle has DOT 3 brake fluid, as indicated on the reservoir cap, use
only new DOT 3 brake fluid from a sealed container. See Recommended Fluids and Lubricants
.
If the vehicle has DOT 4 b ...