Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
AM
The range for most AM stations is greater than for FM, especially at night. The longer range can cause station frequencies to interfere with each other. For better radio reception, most AM radio stati ...
Symbols
The RVC system may have a feature that lets the driver view symbols on the radio
screen while using the RVC. The Ultrasonic Rear Park Assist (URPA) system must not
be disabled to use the caution s ...
Power Reclining Seatbacks
To recline a power seatback, if equipped:
• Tilt the top of the control rearward to recline.
• Tilt the top of the control forward to raise. ...