How does hill start assist work?

I have a 2016 Ford Ka + but don't fully understand how 'Hill Start Assist' works, being reluctant to release the handbrake on a hill before increasing revs and engaging the clutch.

Asked on 4 October 2023 by Richard Scully

Answered by Craig Cheetham
According to Ford, Hill Start Assist temporarily stops you rolling backwards or forwards when making a hill start. The system works by maintaining pressure to the braking system for an extra 2.5 seconds, giving you more time and control as you move your foot from brake pedal to accelerator. However, if you are more confident doing a traditional hill start and using the handbrake as normal then you may as well carry on the good practice.
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