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:
Seat Adjustment
To adjust the seat:
Move the seat forward or rearward by sliding the control forward or rearward.
Raise or lower the front or rear part of the seat cushion by moving the
front or rear of th ...
Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn
guidance. See OnStar Overview or the navigation manual, if the vehicle has
navigation, for more information. ...
Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep
downgrade. If the transmission is not shifted down, the brakes might have to be
used so much that they would get hot and n ...






