Safety Technology

New online game tests human reaction time versus Tesla's Autobrake system

A new game tests human reaction time versus the Autobrake system in a Tesla.

Photo courtesy of Select Car Leasing

Can a human react faster than Tesla's Autobrake system? A new game by Select Car Leasing challenges players to see if they can react to obstacles in the road that require braking quicker than Tesla's Autobrake technology.

According to Select Car Leasing, Tesla has never released the exact reaction time of its automatic emergency braking (AEB) system. To find out what time to use, the company selected 10 viral clips of the AEB system in action, slowed them down, and analyzed the reaction time frame by Fram. The average reaction time was 0.3 seconds, a time that's faster than a sky diver fall 40 meters.

Human perception time varies greatly depending on a number of factors like age, eyesight, conditions, and speed.

Tesla isn't the only company to have installed automatic emergency braking in its vehicles. The technology, which has been proven to save live and prevent accidents, is quickly becoming a standard offering across a number of makes and models by companies including Nissan and Toyota.

To test to see how your reaction time compares to Tesla's Autobrake reaction time, play the (safe for work) game here.

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The IIHS may increase the speeds it uses to test advanced driver aids.

Insurance Institute for Highway Safety

The Insurance Institute for Highway Safety (IIHS) recently announced that it is considering changing the speeds it uses to test vehicle-to-vehicle front crash prevention systems. The agency currently tests the systems at 12 and 25 mph, but says that the speeds don't accurately represent the types of crashes the safety tech is meant to prevent.

Front crash preventionwww.youtube.com

Automatic emergency braking (AEB) is designed to notify of a possible collision and help respond with automatic application of braking. Just like a human using the brake pedal, it can stop the car, but higher speeds make it difficult to stop in time. The new tests would be conducted at 35 to 45 mph, which is the range where a large number of rear-end crashes occur. As Automotive News noted, an IIHS study showed 43 percent of rear-end crashes occur at speeds of 45 mph or less, so it's important to have a test that shows how well the tech performs at those levels.

A whopping 85 percent of 2022 vehicles earned a "Superior" rating in the current testing regime, so the IIHS will remove it from 2023 testing and Top Safety Pick award evaluations. Their view is that, since the majority of vehicles meet the criteria, it's no longer an accurate way of evaluating performance. In its place, the agency introduced a night test for automatic emergency braking systems that will begin next year.

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New luxury EV

Lexus announces all-electric RZ 450e

Lexus just announced the new RZ 450e

Lexus

Lexus and Toyota have finally jumped onto the EV train, and we’ll soon see new all-electric SUVs from both. The Lexus variant, named RZ 450e, features a reasonable range, upscale interior, and neat all-wheel drive technology. We don’t have firm pricing for the Lexus, but expect it to start in the mid-to-high $40,000 range.

2023 Lexus RZRange is expected to reach 225 miles per chage. Lexus

The RZ shares a platform and much of its underlying engineering with the Toyota bZ4X and Subaru Solterra, but will take a more upscale approach. Though its size and overall shape are similar to the others, the Lexus’ exterior styling is sharper and sportier, with functional aerodynamic bodywork. A new Lexus logo is spelled out on the rear gate, instead of the traditional “L” of previous models.

The SUV comes with a 71.4-kWh battery that should deliver a range of around 225 miles on a charge. All-wheel drive is standard, and uses the RZ’s dual electric motors to shift power between the wheels that need it most.

Inside, the RZ features a minimalist, open space with controls meant to remind drivers of a horse’s reins. Ultrasuede upholstery and woodgrain trim come standard. Lexus notes the RZ’s head-up display is controllable via steering wheel-mounted buttons that handle navigation, audio, and other functions.

2023 Lexus RZThough similar to the Toyota bZ4X inside, the Lexus IS more upscale and minimalist. Lexus

Speaking of the steering wheel, the first RZs will be available with a round wheel only, but later on, Lexus will offer a yoke-style wheel like the one seen in the Toyota bZ4X concept and Tesla’s Plaid models.

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