What are the effects of not releasing the car handbrake?

2 Answers
MaddoxLee
09/04/25 3:44am
Not releasing the handbrake will directly cause excessive wear on the brake pads and brake discs. The friction-generated heat can overheat the disc surface, which may then transfer to the wheel hub and tires, potentially leading to a tire blowout in severe cases. Indirect effects include increased driving resistance, higher loads on the engine and transmission, and excessive torque on components like the driveshaft and universal joints, which can result in metal fatigue over time. Not releasing the car handbrake can also lead to increased fuel consumption. This happens because the handbrake applies braking force to the car, and if it is not released or not fully released, it is equivalent to constantly braking. This requires more throttle to maintain speed, leading to a significant increase in fuel consumption. Precautions when using the handbrake: Do not use the handbrake as a substitute for the footbrake during high-speed driving. The handbrake primarily controls the rear wheels, and applying it at high speeds can easily cause the car to roll over. When stuck in traffic on a slope, do not forget to engage the handbrake to prevent the car from rolling backward. Forgetting to release the handbrake while driving will cause significant brake wear, leading to a decline in braking performance.
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VonTyler
09/16/25 4:52am
Once I forgot to release the handbrake while driving, and the car was noticeably dragging, accelerating very slowly, feeling like it was pulling a heavy load. This can cause increased wear on the brake pads as they continuously rub against the brake discs. Over time, the braking performance will deteriorate, and there's even a risk of overheating and smoking. Fuel consumption can also spike by at least 10-20%, wasting gasoline money unnecessarily. Tires may overheat, deform, or wear out faster due to uneven pressure. On slopes, it's even more dangerous, potentially leading to loss of control or brake system damage and fire. I recommend developing the habit of checking the handbrake light on the dashboard before starting the car or pulling it to confirm it's released when parking. Don’t underestimate this issue—daily negligence can accumulate into expensive repairs. That time, I spent over 800 yuan replacing the brake pads.
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