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:
How to Check Power Steering Fluid
Notice: Extremely small amounts of contamination can cause steering system damage
and cause it to not work properly. Do not allow contaminants to contact the fluid
side of the reservoir cap/ dipst ...
Braking
Braking action involves perception time and reaction time. Deciding to push the
brake pedal is perception time. Actually doing it is reaction time.
Average driver reaction time is about three-quart ...
Dolly Towing (Rear Wheels Off the Ground)
Use the following procedure to dinghy tow a two-wheel-drive vehicle from the
rear:
1. Attach the dolly to the tow vehicle following the dolly manufacturer's instructions.
2. Drive the rear w ...