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:
Buying 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 rati ...
Passing
Passing another vehicle on a two-lane road can be
dangerous. To reduce the risk of danger while passing:
• Look down the road, to the sides, and to crossroads
for situations that might affect a ...
Power Steering
If power steering assist is lost because the engine stops
or the system is not functioning, the vehicle can be
steered but it will take more effort. ...
