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:
DVD Distortion
Video distortion can occur when operating cellular phones, scanners, CB
radios, Global Position Systems (GPSs), two-way radios, mobile faxes, or walkie
talkies.
It might be necessary to turn off ...
If Steam Is Coming from the Engine Compartment
WARNING
Steam from an overheated engine can burn you badly, even if you just open the
hood. Stay away from the engine if you see or hear steam coming from it. Just
turn it off and get everyone awa ...
Shifting Into Park
WARNING
It can be dangerous to get out of the vehicle if the shift lever is not fully
in P (Park) with the parking brake firmly set. The vehicle can roll. If you have
left the engine running ...