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:
Head Restraint Adjustment
Do not drive until the head restraints for all occupants are installed and adjusted properly.
To achieve a comfortable seating position, change the seatback recline angle as little as necessary whi ...
Following Distance
Stay at least twice as far behind the vehicle ahead as you would when driving the vehicle without a trailer.
This can help to avoid situations that require heavy braking and sudden turns. ...
Power Seat Adjustment
A. Seat Adjustment Control
B. Seatback Control
C. Lumbar Control
To adjust a power seat, if equipped:
• Move the seat forward or rearward by sliding the control (A) forward or rearward.
• R ...





