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 InformationBuying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment
tires installed were designed to meet General Motors Tire Performance Criteria Specification
(TPC Spec) system rating. When replacement tires are needed, GM strongly recommends
buying tires with the same TPC Sp ...
Hydraulic Clutch
For vehicles with a manual transmission, it is not necessary to regularly check
brake/clutch fluid unless there is a leak suspected.
Adding fluid will not correct a leak.
A fluid loss in this system could indicate a problem. Have the system inspected
and repaired.
When to Check and What to Us ...
Windshield Wiper/Washer
The windshield wiper/washer lever is on the right side of the steering column.
Move the lever to one of the following positions: HI: Use for fast wipes.
LO: Use for slow wipes.
INT (Intermittent Wipes): Move the lever up to INT for intermittent wipes, then
turn the INT band up for more ...