Can You Pull the Handbrake If You Can't Stop in Time to Avoid a Rear-End Collision?
2 Answers
You should not pull the handbrake if you can't stop in time to avoid a rear-end collision. Reasons why you should not pull the handbrake: The handbrake functions to brake the rear wheels. If a car is about to collide from behind, the car's speed must be very high. At this time, pulling the handbrake would cause excessive braking force on the rear wheels, potentially even locking them. With just a slight turn of the steering wheel, the car would immediately lose control and spin out. Handbrake: The professional term for the handbrake is auxiliary brake. Unlike the main braking system, it uses a steel cable connected to the rear brake shoes to brake the car. Long-term use of the handbrake can cause the steel cable to undergo plastic deformation. Since this deformation is irreversible, prolonged use will reduce its effectiveness and increase the handbrake's travel distance.
As a veteran driver who frequently takes long-distance trips, I must say pulling the handbrake during an imminent rear-end collision is absolutely dangerous. Handbrakes are designed for low-speed use only—engaging it at high speeds can instantly lock the rear wheels, causing the car to skid or spin out of control, especially in front-wheel-drive vehicles. If you've already pressed the foot brake but can't stop in time, this indicates either insufficient following distance or a brake system issue, but adding the handbrake will only increase the risk of losing control. Instead, the correct approach is to stomp the foot brake firmly to activate the ABS for maximum deceleration, while gently steering to avoid obstacles—even a slight swerve can prevent a collision. Always inspect brake pads and tire pressure afterward as preventive maintenance. Most crucially, cultivate the habit of maintaining a safe following distance (at least 3 seconds of reaction time) to avoid panic braking. Remember: safety first, and keeping calm is key.
