Tech for distracted drivers

If inattention while driving ever leads to close calls, two new systems appearing on higher-priced cars can help. Adaptive cruise control uses lasers or radar to maintain a safe following distance. Most systems operate above 20 miles per hour, but the Audi Q7's works in stop-and-go traffic and will actually stop the car. And the newest lane-departure warning systems -- such as those on Audi's Q7 and Volvo's S80 -- warn you if a car is in your blind spot as you move over.

Help for the parking impaired

A lot of higher-end vehicles have systems that beep when you get too close to another car, and some even have rear back-up cameras with on-screen, computer-generated tire tracks that help guide you into a space. But the new Lexus LS 460 is the first car sold in the U.S. to actually parallel-park itself. Pull in front of a spot, push a couple of buttons on the screen and put your hands in the air -- the car does the steering for you. All you do is apply the brake. It can back into a mall spot, too.

iPods to go

Tired of using a store-bought gizmo to connect your iPod to your car stereo? No worries. About 70% of 2007 models let you plug in iPods directly. But the standard connection in most models is a cheap jack. That means you must control the music from your iPod, which is a hassle if you're trying to steer at the same time. Many carmakers offer integrated systems that let you control the iPod through your audio-system controls, but that option will set you back about $200.

Safety strides

Adding electronic stability control to every new car could save 10,000 lives a year, according to a recent study. That was enough to prompt the feds to propose requiring the technology, which uses a car's anti-lock braking system to prevent skids, on all vehicles by the 2012 model year. More than 150 2007 models -- mainly SUVs and high-priced cars -- already offer the safety feature as standard equipment. Side and side-curtain airbags are even more prevalent, showing up on even the least expensive vehicles.

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