OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationIf 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 away from the vehicle until it cools down.
Wait until there is no sign of steam or coolant before you ...
Satellite Radio
If equipped, vehicles with a SiriusXM® satellite radio tuner and a valid SiriusXM
satellite radio subscription can receive SiriusXM programming.
SiriusXM Satellite Radio Service
SiriusXM is a satellite radio service based in the 48 contiguous United States
and 10 Canadian provinces.
SiriusXM ...
Tire Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each square
inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per
square inch).
Accessory Weight: The combined weight of optional accessories. Some examples
of optional accessories are automatic t ...