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.
Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers
and braking, which helps the passenger sensing system maintain the passenger airbag
status. See “Safety Belts” and “Child Restraints” in the Index for additional information
about the importance of proper res ...
If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand,
mud, ice, or snow.
If stuck too severely for the traction system to free the vehicle, turn the traction
system off and use the rocking method. See Traction Control/Electronic Stability
Control on page 9-27.
Warning ...
Drunk Driving
Death and injury associated with drinking and driving is a global tragedy.
Warning
Drinking and then driving is very dangerous. Your reflexes, perceptions,
attentiveness, and judgment can be affected by even a small amount of alcohol. You
can have a serious - or even fatal - collision if you d ...