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:
Power Steering Fluid (3.0L V6 Engine)
The power steering fluid reservoir is located toward the rear of the engine compartment
on the passenger side of the vehicle. See Engine Compartment Overview on page 10‑6
for reservoir loc ...
Safety Belt Extender
If the vehicle's safety belt will fasten around you, you should use it.
But if a safety belt is not long enough, your dealer will order you an extender. When you go in to order it, take the heaviest ...
Wiper Blades
Wiper blades need to be cleaned and kept in good condition to provide a clear view.
• Signs of wear include streaking, skipping across the windshield, and worn or split rubber.
• Trained dealer ...