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The 2007 GMC Acadia comes in three trim levels, starting with the SLE followed by the SLT1 and SLT2. Each is available in front-wheel drive or all-wheel drive.

Standard equipment on the SLE includes air conditioning; cruise control; tilt and telescope steering wheel; heated, outside mirrors; power windows and door locks; OnStar; four-way, manual adjustable driver's seat; AM/FM/compact disc player; auto-on headlamps; daytime running lights; rear window wiper and seven-passenger seating.

Options include eight-passenger seating ($495); rear-seat entertainment/DVD player; convenience package with remote start and ultrasonic rear parking assist ($435); two-panel Skyscape sunroof ($1,300); head-up display ($350); 19-inch aluminum wheels ($695); power liftgate ($350).

Safety features include air curtains, seat-mounted side-impact airbags for driver and front-seat passenger, OnStar, anti-lock brakes, and StabiliTrak electronic stability control. All-wheel drive is available for more secure grip in foul weather.

Air curtains are low-pressure air bags that come down from the ceiling and cover the side windows (of all three rows) to provide head protection in a side-impact crash or rollover; in a rollover the air curtains could help keep arms and heads inside the vehicle in addition to providing head protection. However, air curtains are not a substitute for seat belts. Studies by the Insurance Institute for Highway Safety, which is funded by the insurance industry, have shown such head protection greatly improves the chance of surviving a side-impact crash. The front-seat side-impact airbags provide chest protection in a side-impact crash. Institute studies have also shown these "torso bags" are valuable, but not as valuable as head protection.

OnStar uses a global positioning system and an extra powerful cellular telephone to put the driver in touch with the OnStar center which is manned 24/7. The center can tell where the vehicle is located and send help or provide other assistance. Should the air bags deploy the system can automatically notify the OnStar center of an accident and where the vehicle is located so it can then send help. Initially OnStar help is free but eventually there are subscription charges.