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:
Setting Preset PTYs (RDS Only)
These pushbuttons have factory PTY presets.
Up to 12 PTYs (six FM1 and six FM2), can
be programmed on the six numbered pushbuttons,
by performing the following steps:
1. Press BAND to select F ...
Ride & Handling
Unfortunately, the ride is another area where the Super looks better on paper
than the other Lucerne trim levels, but in some ways performs worse. The CXL's
suspension tuning is firmer than that o ...
Ultrasonic Parking Assist
If available, the Ultrasonic Rear
Parking Assist (URPA) system
assists the driver with parking and
avoiding objects while in
R (Reverse). URPA operates at
speeds less than 8 km/h (5 mph).
T ...