The Latest High-Tech Car Features

Blind-Spot Monitoring and Cross-Traffic Alert

En español | Sensors keep an eye on rear blind spots and peer up and down the street for traffic before you back out.   Verdict: Essential

Backup Cameras/Parking Sensors

All new cars must have backup cameras by 2018; parking sensors warn when you're approaching obstacles.   Verdict: Essential     

Collision-Avoidance System

Most systems use radar and cameras to detect an imminent crash and apply the brakes; some can bring the car to a full stop.   Verdict: Essential  

Lane-Departure Warning/Lane Centering

If you drift out of your lane, the car sounds an alert and even nudges you back on track.   Verdict: Essential  

Heads-Up Displays

By projecting speed, navigational directions and other dashboard info directly onto the windshield, HUDs help drivers keep their eyes on the road.   Verdict: Useful but optional  

Inflatable Seat Belts

Ford and Mercedes are leading the way with this technology, which helps cushion the torso during a crash.   Verdict: Useful but optional  

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Self-Parking

Hate parallel parking? This feature can do the job for you.   Verdict: Useful but optional  

Adaptive Cruise Control

Sensors detect traffic ahead and match your speed. Tesla's Autopilot can also read signs, follow lane markings and change lanes automatically.   Verdict: Useful but optional

Heated Steering Wheel

Snow-belt drivers might find this a cozy amenity. Or, you know, wear gloves.   Verdict: Handy indulgence

Built-In Wi-Fi Hot Spots

In-car wireless lets you surf en route (if you're not driving).   Verdict: Handy indulgence

Hands-Free Trunk/Liftgate Release

Just wave a foot or stand behind the car to open the trunk automatically.   Verdict: Handy indulgence

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