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.
Connections
OnStar Additional InformationIf 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.
WARNING
If the vehicle's tires spin at high speed, they can explode, ...
Thread Inserts
General Purpose Thread Repair Kits.
These kits are available commercially.
Repair Procedure
Warning: Refer to Safety Glasses Warning in the Preface section.
Note: Refer to the thread repair kit manufacturer's instructions
regarding the size of the drill and tap to use. Avoid any buildup ...
Headlamps, Front Turn Signal and Parking Lamps
1. Parking/Turn Signal Lamp
2. High-Beam Headlamp/ Low-Beam Headlamp and DRL
High-Beam Headlamp/ Low-Beam Headlamp and DRL
1. Open the hood
2. For the driver side bulb, remove the windshield washer bottle filler neck by
firmly pulling it straight up and out of the bottle.
3. Remove the co ...