Diagnostics
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, push 
, and an Advisor can run a check.
See also:
Other Rainy Weather Tips
Besides slowing down, other wet weather driving tips include:
○ Allow extra following distance.
○ Pass with caution.
○ Keep windshield wiping equipment in good shape.
○ Kee ...
Storing the Tire Sealant and Compressor Kit
The tire sealant and compressor kit is located in the storage compartment on the driver side, at the rear of the vehicle.
1. Press down on the latch tab and pull the cover off to access the storage ...
Remote Vehicle Start
If available, this feature allows you to start the engine from outside of the vehicle. It may also start up the vehicle's heating or air conditioning systems and rear window defogger.
Normal operatio ...