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:
Introduction
The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, GMC, the GMC Truck Emblem, and SIERRA are ...
Increasing Speed While Using Cruise Control
If the cruise control system is already activated:
• Press and hold the +RES button on the steering wheel until the desired speed is reached, then release it.
• To increase vehicle speed in smal ...
Power Door Locks
There is a power door lock switch on the instrument panel.
There are power door lock switches on the front door panels.
Q : Press to lock the doors.
K : Press to unlock the doors.
When locking ...