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:
Hot Check Procedure
Use this procedure to check the transmission fluid level when the transmission fluid temperature is between 71°C and 93°C (160°F and 200°F).
The hot check is the most accurate method to check the ...
Erasing Universal Remote Buttons
All programmed buttons should be erased when the vehicle is sold or the lease ends.
To erase all programmed buttons on the Universal Remote device:
1. Press and hold down the two outside buttons u ...
Engine Drive Belt Routing
2.4L L4 Engine
3.0L V6 Engine ...