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.
See also:
When to Add Engine Oil
If the oil is below the cross-hatched area at the tip of the dipstick, add 1
L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Right
Engine Oil” in this section for ...
Wiper Blade Replacement
Windshield wiper blades should be
inspected for wear or cracking.
See Maintenance Schedule.
It is a good idea to clean or replace
the wiper blade assembly on a
regular basis or when worn.
For ...
Parental Control
The RSE system may have a Parental Control feature, depending on which radio
the vehicle has. To start Parental Control, press and hold the radio power button
for more than two seconds to stop all ...