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:
Headlamps, Front Turn Signal, Sidemarker, and Parking Lamps
A. Low-Beam Headlamp
B. High-Beam Headlamp
C. Sidemarker Lamp
D. Park/Turn Signal Lamp
To replace one of these bulbs:
1. Turn the tire to reach the access port cap located in the front of wheel ...
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 ...
Replacing LATCH System Parts After a Crash
WARNING
A crash can damage the LATCH system in the vehicle. A damaged LATCH system may not properly secure the child restraint, resulting in serious injury or even death in a crash. To help make sure ...