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:
Reducing Speed While Using Cruise Control
If the cruise control system is already activated, . Press and hold the SET– button on the steering wheel until the desired lower speed is reached, then release it.
• To slow down in small amount ...
Global Off
Depending on the infotainment system, the RSE system may have a Global Off feature.
The Global Off feature disables all RSE system features. Press and hold the radio
power button for more than thr ...
Symbols
The navigation system may have a feature that lets the driver view symbols on the navigation screen while using the rear vision camera.
The Ultrasonic Rear Park Assist (URPA) system must not be disab ...





