How to Solve Parking Brake Failure?

[McLogan]

You need to go to a 4S shop and use a computer diagnostic tool for detection. After repairing according to the fault code, reset the fault light. Here is some relevant information: 1. There are three forms of parking brake: electronic handbrake, parking foot brake, and mechanical handbrake. Among them, the parking foot brake and mechanical handbrake both use mechanical mechanisms to achieve parking braking, while the electronic handbrake uses an electric motor to pull the steel cable to lock the wheels. Compared with the electronic handbrake, the traditional mechanical handbrake has higher stability and reliability, and its failure rate is much lower than that of the electronic handbrake. 2. The brake warning light usually comes on due to the following reasons: the parking brake lever is not released, lack of brake fluid, or switch damage. Brake fluid (hydraulic brake fluid) is the liquid medium that transmits braking pressure in the hydraulic braking system, used in vehicles with hydraulic braking systems.

[MacJohnny]

When I encounter a parking brake failure, my first reaction is not to rush to drive, but to find a flat place to park and check. The most common issue is loose or worn brake cables, leading to insufficient braking force. First, try pulling the handbrake lever to feel for any sticking or looseness. If the car still rolls when the lever is fully pulled up, the cables may need adjustment or replacement. Another reason could be excessively worn brake pads, especially if the car hasn't been maintained for a long time, resulting in insufficient friction. I've also seen cases of insufficient hydraulic fluid; if the parking brake is electronic, check if the hydraulic fluid level is normal. Some cars have sensor failures that trigger warning lights, in which case you need to read the fault codes for diagnosis. You can check the cable tension yourself and try tightening it with simple tools, but if you can't fix it, don't force it—take it to a professional repair shop to avoid accidents. Regular maintenance is really important; checking the brake system every six months can prevent major problems.

[StParker]

Discovering a parking brake failure when stopping is really frustrating and dangerous. I need to pull over immediately and check common issues: first, pull the handbrake lever—if it feels loose, it's likely the cable is slack or broken; if it feels tight but the car still slides, the brake pads might be worn out or something is stuck. Don’t forget to check the fuses and wiring connections, as electronic brake systems are prone to circuit issues, like sensor failures or a constant red light on the dashboard. Safety first—don’t risk driving in this condition; call a tow truck or ask a car-savvy friend for help. Pay attention to unusual noises and warning signs while driving to catch problems early. Replacing the cable or adjusting the brake pads isn’t expensive, but make sure to go to a reputable shop, or you might end up with more issues. I recommend keeping some emergency tools handy, like a simple wrench, to temporarily tighten the cable for minor fixes. In short, don’t delay—parking brakes are crucial for your safety and others’.

[MorganDella]

I'm not very knowledgeable about cars, but last time when the parking brake had issues, a friend taught me some simple troubleshooting. Mainly check if the hand lever operates smoothly – if it lifts without resistance, the cable might be broken; if it's stuck or makes noise, perhaps the brake pads or springs are damaged. Check if the car is parked on a slope and rolling – if so, immediately use rocks to block the wheels before repairing. If you're a beginner, don't disassemble randomly; just call for help or drive to a repair shop. Common causes include rusted or corroded cables or improper adjustment. Regular dust cleaning can prevent issues. Don't ignore the dashboard warning light. In short, safety comes first – ensure the environment is stable before attempting any repairs.

[SanMalia]

Parking brake failures often stem from neglecting routine maintenance. I've experienced it multiple times myself and learned to prevent them. Common causes include aging brake cables, worn brake pads, or hydraulic leaks. For DIY inspection: First test the handle tension - a loose feel indicates needing adjustment; stiffness suggests internal jamming. For electronic systems, check warning lights and read fault codes. For prevention, perform simple cleaning of brake components every three months to prevent dust accumulation; make it a habit to gently pull the handle after parking to test braking force. Don't rush to replace parts when issues arise - try fine-tuning cable tension first, which can sometimes save money. Of course, seek professional technicians for serious faults to ensure system stability and prevent rollaway accidents. Maintenance tip: Avoid sudden braking to prevent premature brake pad wear.