Vehicle Identification
See also:
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 ...
Entering a Character Sequence
1. Turn the Menu knob to highlight
the character.
2. Press SELECT to select the
character.
Press the BACK button to
delete
the last character in the sequence
or press and hold to delete ...
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants for GM
approved fluids.
• Engine oil and windshield
washer ...
