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 InformationAirbag System Check
The airbag system does not need regularly scheduled maintenance or replacement.
Make sure the airbag readiness light is working. See Airbag Readiness Light on page
5-11.
Caution
If an airbag covering is damaged, opened, or broken, the airbag
may not work properly. Do not open or break the ai ...
Traction Control System (TCS)/StabiliTrak Light
The StabiliTrak or Traction Control
System (TCS) indicator/warning light comes on briefly when the engine is started.
If the light does not come on, have the vehicle serviced by your dealer.
If the system is working normally, the indicator light turns off.
If the light is on and not flashing, ...
Using the Tire Sealant and Compressor Kit to Temporarily Seal and Inflate a
Punctured Tire
When using the tire sealant and compressor kit during cold temperatures, warm
the kit in a heated environment for five minutes.
This will help to inflate the tire faster.
If a tire goes flat, avoid further tire and wheel damage by driving slowly to
a level place. Turn on the hazard warning fla ...