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:
Checking the Fluid Level
Prepare your vehicle as follows:
1. Park your vehicle on a level place. Keep the
engine running.
2. With the parking brake applied, place the shift
lever in PARK (P).
3. With your foot on the b ...
Seating & Cargo
The standard eight-way power driver's seat offers plenty of adjustment range,
so spouses of wide-ranging sizes should have no trouble finding their fit. If
you're much taller than 6 feet, avoid th ...
Flash-to-Pass
To flash the high beams, pull the turn signal/lane change lever all the way toward
you. Then release it. ...
