OnStar Overview
EmergencyFuses and Circuit Breakers
The wiring circuits in the vehicle are protected from short circuits by a combination
of fuses and circuit breakers. This greatly reduces the chance of damage caused
by electrical problems.
To check a fuse, look at the silver-colored band inside the fuse.
If the band is broken or melted, repla ...
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 ...
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Collision Sectioning Warning in the Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Dis ...