OnStar Services
See also:
When to Add Engine Oil
If the oil is below the L mark for the L6 engine or
the cross-hatched area at the tip of the dipstick
for the V8 engine, you will need to add at least one
quart/liter of oil. But you must use the ...
Certification Label
Label Example
A vehicle-specific Certification label is attached to the driver side center pillar (B-pillar).
The label tells the gross weight capacity of the vehicle, called the Gross Vehicle Weig ...
Three-Way Calling
Three-way calling must be
supported on the cell phone and
enabled by the wireless service
carrier.
1. While on a call, press .
2. Say “Three-way call.”.
3. Use the dial or call command to ...
