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, press
, and an Advisor can run a check.
Loss of Control
Skidding
There are three types of skids that correspond to the vehicle's three control
systems:
• Braking Skid — wheels are not rolling.
• Steering or Cornering Skid — too much speed or steering in a curve causes tires
to slip and lose cornering force.
• Acceleration Skid — too much thro ...
Air Hose Test
Caution: The air hose test should only be used on fully cured
urethane adhesive. Otherwise, damage to the urethane adhesive bead
could result in additional leaks.
Using a liquid detergent, diluted with water in a spray bottle, spray
the window at the edges. Begin at the bottom and grad ...
Shock Absorber Disposal
Warning: Gas charged shock absorbers contain high pressure gas. Do
not remove the snap ring from inside the top of the tube. If the snap
ring is removed, the contents of the shock absorber will come out with extreme
force which may result in personal injury.
Warning: To prevent personal inju ...