Car won't start and just clicks: what it means
A rapid clicking sound usually means the starter is not getting enough power, most often from a flat or failing battery. Slow cranking and dim lights point the same way.
Safety classification
Safe inspection only
This guide covers safe first actions only. It is not a licence to perform regulated work or enter a dangerous area.
What to do
- 1
Make sure you are somewhere safe
If you are on a road, move people away from traffic before doing anything else.
- 2
Note the symptoms
Rapid clicking, a single click, slow cranking, or nothing at all each point to different faults.
- 3
Check the obvious
Headlights or interior lights left on, the car in park or neutral, and whether dashboard lights are dim.
- 4
Look at the battery from a distance
Look for corrosion, loose clamps, swelling or leaks. Do not touch a damaged or leaking battery.
- 5
Request the right help
Ask for battery help if the symptoms point to the battery, or a mobile mechanic if the battery tests good.
When to stop
- The battery is swollen, leaking or hot
- There is a burning smell or smoke
- The car is in a dangerous position
- It starts after a jump but fails again soon after
Roadside assistance
Prepare the problem, safety status and location once. The matching category and service will be pre-filled.
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