Why do cars no longer need a manual parking brake?

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Why do cars no longer need a manual parking brake?
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Emergency braking systems are not a requirement in newer vehicles, compared to older models

I have a 2022 Subaru Outback, the replacement for my previous 18-year-old Subaru Forester. Now I am mostly comfortable with all the new technology in the car, but what still makes me a little uncomfortable is not having a manual back up brake for the electronic braking system. Usually I think about this as I am driving down a very long hill on the highway. How exactly does electronic braking work and why is it okay to make the car without a manual emergency brake lever? Thank you.

Like it or not, in the name of safety and convenience most manufacturers want to control more of your driving experience. Hence, they are moving away from the manual, old school cable actuated systems in favour of an EPB for many reasons. Are there disadvantages? Of course. It’s a complex system, which means its potentially costly to repair as well as the EPB sometimes being stuck on when your battery dies. That being said, most manufacturers still believe that the benefits outweigh the negatives.

This system went out in the 1960s and 70s and was replaced with a dual diagonal braking system. This newer system sees the left front and right rear hydraulically coupled together as well as the right front and left rear connected together. This contemporary system has little to no hydraulic connection between these two diagonal systems. So, if you spring a leak, you will lose braking in the two diagonally connected wheels only.

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