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 InformationEngine Oil Change
When the %CHANGE DIC message displays,
have the engine oil and filter changed within the next 1 000 km/600 mi. If driven
under the best conditions, the engine oil life system may not indicate the need
for vehicle service for up to a year.
The engine oil and filter must be changed at least on ...
Air Vents
Adjustable air vents are in the center and on the side of the instrument panel.
Move the slats to change the direction of the airflow. The center air vent does
not close completely.
Press the cover of the side air vents to open. Turn open slats clockwise or counterclockwise
to direct a ...
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 away from the vehicle until it cools down.
Wait until there is no sign of steam or coolant before you ...