When to Inspect the Engine Air Cleaner/Filter
Inspect or replace the air cleaner/ filter at the scheduled maintenance intervals. See Maintenance Schedule on page 11‑3 for more information. If driving in dusty/dirty conditions, inspect the filter at each engine oil change.
See also:
Making a Call
Calls can be made using the following commands.
Dial or Call: The dial or call command can be used interchangeably to dial a
phone number or a stored name tag.
Digit Dial: This command allows a ph ...
Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...
Timer
Press the trip/fuel button until TIMER displays. This display can be used as a timer.
To start the timer, press the set/ reset button while TIMER is displayed. The display will show the amount of tim ...





