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Cars & Transportation

Flat tire

A puncture on the road. Move somewhere safe before you do anything else.

This can be an emergency. If anyone is in danger, call the emergency services first. This Hub cannot replace professional help.

A flat tire is dangerous in fast traffic. Your first priority is not the tire; it is getting yourself and the car out of harm's way.

Quick checklist

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What to do, step by step

  1. 1

    Get off the road

    Move as far onto the shoulder as you safely can and turn on your hazard lights.

    2 min
  2. 2

    Set up warning

    If you have one, place a warning triangle well behind the car.

    2 min
  3. 3

    Decide: change it or call for help

    Changing a wheel on a live road is risky. Call assistance if you are unsure.

    1 min
  4. 4

    If changing it, loosen the nuts first

    Loosen the wheel nuts slightly before jacking the car up.

    5 min
  5. 5

    Fit the spare and check the pressure

    Tighten in a star pattern and drive slowly to the nearest garage.

    10 min

What NOT to do

  • Never change a wheel on the traffic side of the car.
  • Do not get under a car held only by a jack.
  • Do not drive far on a space-saver spare.

Possible causes

Puncture

Nail, screw or sharp object.

Slow leak

A damaged valve or a small rim leak.

Tire wear

Worn or aged tires are more prone to failure.

Frequently asked questions

Is it safe to drive on a flat?

No. Driving on a flat ruins the wheel and is dangerous. Stop as soon as it is safe.

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