When to Check Power Steering Fluid
It is not necessary to regularly check power steering fluid unless you suspect there is a leak in the system or you hear an unusual noise. A fluid loss in this system could indicate a problem. Have the system inspected and repaired.
See also:
Storing and Deleting Phone
Numbers
The system can store up to
30 phone numbers as name tags in
the Hands-Free Directory that is
shared between the Bluetooth and
OnStar systems.
The following commands are used
to delete and s ...
Perimeter Lights
Press the customization button until PERIMETER
LIGHTS: ON appears in the display. To select
your preference for perimeter lighting, press
the select button while PERIMETER LIGHTS:
ON is displaye ...
Recommended Fuel
Use regular unleaded gasoline with
a posted octane rating of 87 or
higher. If the octane rating is less
than 87, an audible knocking noise,
commonly referred to as spark
knock, might be hear ...
