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:
Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and, on most vehicles, displays a DIC message when it is necessary to change the engine oil and filter.
The oil life system ...
Tires
Use a stiff brush with tire cleaner to clean the tires.
Notice: Using petroleum-based tire dressing products on the vehicle may damage
the paint finish and/or tires. When applying a tire dressing, ...
Windows
Press the switch to lower the window. Pull the switch up to raise it.
For more information, see Power Windows on page 2‑21. ...