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:
Services Specific to Canadian-Purchased Vehicles
• Fuel Delivery: Reimbursement is approximately $5 Canadian.
Diesel fuel delivery may be restricted. Propane and other fuels are not provided through this service.
• Lock-Out Service: Vehicle re ...
Button Retainer
Floor mats with a button-type retainer.
Removing and Replacing the Floor Mat
1. Pull up on the rear of the mat to unlock and remove.
2. Reinstall the floor mat by lining up the floor mat openings ...
Power Mirrors
To adjust the mirrors:
1. Move the selector switch to L (left) or R (right) to choose the driver or
passenger mirror.
2. Press the arrows on the control pad to move each mirror in the desired di ...