Electrical System

See also:

2011 GMC Acadia Review By Sherrice Gilsbach
Adding glitzy Denali details to the already fabulous 2011 GMC Acadia seems like a perfect marriage. And it was, with the exception of a few minor dislikes for this three-row crossover. With a bo ...

All-Wheel Drive
Vehicles with this feature always send engine power to all four wheels. It is fully automatic, and adjusts itself as needed for road conditions. When using a compact spare tire on an AWD vehicle, t ...

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. ...