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The 2007 Cadillac DTS comes in one trim level with the option of two luxury packages and one performance package.

Safety features that come standard on all models include six air bags, including a dual-depth front-passenger air bag.

DTS ($41,170) comes with eight-way power front bucket seats with adjustable lumbar support; OnStar with one-year Directions & Connections Service; Adaptive Remote Starting; Magnasteer magnetic variable-assist rack-and-pinion steering; 17-inch chromed wheels, xenon HID headlamps; laminated side glass; and an MP3-capable stereo. XM Satellite Radio is also standard, including three months free service.

DTS with the Luxury I package ($44,170) adds StabilTrak; Brake Assist; memory for seats and outside mirrors; ultrasonic parking assist; heated outboard seats front and rear; seat cooling for driver and front-seat passenger; heated leather-wrapped steering wheel; heated windshield washer fluid; heated outside mirrors with integrated turn signal indicators; and a universal home remote.

The Luxury II package ($46,490) includes Luxury I plus a six-disc in-dash CD changer; eight-speaker Bose audio system; tri-zone climate control; four-way adjustable lumbar with massage for the front bucket seats; power tilt and telescoping steering column; wood accents on steering wheel; adjustable rear-seat headrests; rear-seat sun visors with vanity mirrors; power folding outside mirrors; IntelliBeam automatic headlamps; Rainsense wipers; and a cargo net for the trunk. Road wheels are still 17-inch chrome but feature a design unique to this package, and real dark burl walnut replaces the standard interior woodgrain trim.

The Performance package ($48,540) includes all but a few of the Luxury items plus the higher-tuned (L37) Northstar 4.6-liter V8 with 292 horsepower, performance algorithm shifting, Magnetic Ride Control, 18-inch wheels and H-rated tires.

Options include adaptive cruise control ($1695), a DVD-based navigation system ($1945), a front bench seat (no charge), DTS-exclusive Tehama leather upholstery ($1995), body color grille ($100), and a power tilt/slide sunroof ($1200).