Side Bolster
To adjust the side bolster support, if equipped:
- Press the top or bottom of the control (A) to increase or decrease support in the seat cushion bolsters.
- Press the top or bottom of the control (C) to increase or decrease support in the seatback bolsters.
See Lumbar Adjustment.
See also:
SIDE BLIND ZONE ALERT
SYSTEM TEMPORARILY
UNAVAILABLE
This message indicates that the
SBZA system is disabled because
the sensor is blocked and cannot
detect vehicles in the blind zone.
The sensor may be blocked by
mud, dirt, snow, ice, or slush ...
Average Fuel Economy or Average Fuel Economy and Instantaneous Fuel Economy
The Average Fuel Economy display shows the approximate average liters per
100 kilometers (L/100 km) or miles per gallon (mpg). This number is calculated
based on the number of L/100 km (mpg) recorde ...
Using Voice Commands
During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone.
Say “Cancel route.” System
responds: “Would you like to
cancel route directions to your
destination?”.
2. Say “Yes.” Syst ...






