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, press , and an Advisor can run a check.
Body Waterleak Repair
Warning: If the vehicle interior is exposed to moisture and becomes
soaked up to the level of the sensing and diagnostic module (SDM),
the SDM and SDM harness connector must be replaced. The SDM could be activated
when powered, which could cause airbag deployment
and result in personal inj ...
Rear Side Door Window Adjustment
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface
section.
Warning: Refer to Express Window Down Warning in the Preface section.
Preliminary Procedures
Remove the rear side door trim. Refer to Rear Side Door Trim
Replacement.
Remove the water deflector. ...
If a Tire Goes Flat
It is unusual for a tire to blowout while driving, especially if the tires are
maintained properly. If air goes out of a tire, it is much more likely to leak out
slowly. But if there ever is a blowout, here are a few tips about what to expect
and what to do: If a front tire fails, the flat tir ...