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Are there safety hazards if the handbrake is left on for over 20 miles?

2 Answers

LaKayden

07/24/25 7:24am

Leaving the handbrake on for over 20 miles can pose safety hazards. Here are the relevant details: 1. Handbrake: If the handbrake is not released within 20 miles, the brake pads will continuously rub against the brake drum, generating high temperatures that can severely burn the brake pads or drum. High temperatures can alter the structure of the brake pads, reducing braking efficiency and potentially leading to brake failure. 2. Precautions: If you notice a strong burnt smell or smoke from the rear of the vehicle while driving with the handbrake engaged, immediately slow down, apply the brakes, and release the handbrake. Remember, driving with the handbrake on causes significant brake wear, and continuing to drive while the brakes are still hot is extremely dangerous.

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McTessa

08/11/25 3:07am

I always feel that driving with the handbrake on is just asking for trouble. If you forget to release it and drive for over 20 kilometers, the braking system will suffer severe wear because the wheels remain in a semi-braking state, generating a lot of heat from friction. Over time, it’s common for brake pads to burn out or brake drums to warp. I once tried driving on the highway like this, and the brakes failed, nearly causing an accident. Overheated tires also increase the risk of a blowout, especially on hot days. Vehicle control becomes harder, with sluggish acceleration or turning, not to mention skyrocketing fuel consumption. Repair bills can easily exceed thousands. I think developing the habit of checking dashboard warning lights before starting can prevent such mistakes—safety first.

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