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 InformationDaytime Running Lamps (DRL)
Daytime Running Lamps can make it easier for others to see the front of your
vehicle during the day. Fully functional daytime running lamps are required on all
vehicles first sold in Canada.
A light sensor on top of the instrument panel makes the DRL work, so be sure
it is not covered.
The D ...
Power Steering Pump Belt Replacement
Special Tools
CH 49800 Installer Power Steering Pump Belt
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Caution: Do not use belt dressing on the drive belt. Belt dressing
causes the breakdown of the composition of the drive belt. Failure
to follow this recommendatio ...
Hood Replacement
Warning: When a hood hold open device is being removed or installed,
provide alternate support to avoid the possibility of
damage to the vehicle or personal injury.
Preliminary Procedure
Remove the windshield washer nozzle hose. Refer to Windshield Washer Nozzle
Hose Replacement.
Hood ...