What you'll need to jump start a car.
A pair of working jump leads.
The vehicle with the flat battery, which needs to be in a spot where jump leads can easily reach the battery.

Another vehicle with a fully-charged battery (avoid a hybrid or electric car as this could cause damage).

Using jump leads safely.
Before you try to jump start a car, remember that batteries produce flammable gases.

Here's
how to stay safe:
Check the battery and jump leads
Never try to jump start a battery that looks damaged or is leaking.

Don’t use jump leads that are damaged.
Stop using the jump leads if they get hot.

Make sure the environment is safe.
Before you start, remove any dangling clothing – like a scarf or tie – as it could get caught up in the moving engine parts.

Don’t let any metal objects touch the car. batteries - these could cause a spark and possibly make the battery explode. That includes rings, necklaces, watch straps, hand tools, clips, stray wires etc.

Never smoke or allow naked flames anywhere near either battery.

Take care removing the jump leads.

Don't remove the jump leads while the car engines are running. This can cause serious damage to the cars’ electronics.
A step-by-step guide to jump starting a car.

Find someone with a car who’s happy to help. Their car must have a fully charged battery with the same voltage as yours (usually 12 volts).

  • Line up both cars
Park both cars so their batteries are within easy reach of one another (without the cars actually touching). Keep the handbrakes on and the ignitions off.

  • Connect the red jump lead.
Use the red jump lead to connect the working battery’s positive (+) terminal to the flat battery’s positive (+) terminal.

  • Connect the black jump lead
Take the black jump lead and attach it to the negative (-) terminal on the working battery.
Then attach the other end to an earthing point (unpainted metal on the engine block or chassis) well away from the flat battery and fuel system.

  • Start the other car.
Keep both engines off and wait for 3 minutes, then start the working car’s engine and let it run for 1 minute.

  • Start your car.
Turn on the engine in the car with a flat battery.
  • Let both cars run.
Leave both cars to idle, at a fast pace, for around 10 minutes.

  • Turn off and disconnect
Turn off both cars’ engines and carefully disconnect the leads in the reverse order to the way they were connected (remove the black lead from your car first and finish with the red lead from the other car).
Make sure the leads don’t touch one another, or either car, as you remove them.

  • Restart your car.
Try turning the keys in the ignition to see if your car will start up.



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