How to disconnect the battery on a Citroen C3

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Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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This procedure also appears in How to reset the BSI on a Citroen C3 but I think it deserves a topic of its own - 'How to disconnect the battery on a Citroen C3'


Open the drivers window and the bonnet.
Close all the doors, switch off everything, like the radio, phone charger etc.
Remove the ignition key via the open window
WAIT 10 minutes
Disconnect the battery.

(change the battery at this point, or do the work that needs the power off)

Reconnect the battery,
WAIT 1 minute
Keeping the doors closed, lean in via the drivers window
Switch on the 'ignition' (Don't start the engine)
Switch on lights (Dipped, normal driving lights)
WAIT 30 Seconds
Start the car


Following these instructions will help preserve the sanity of the BSI computer module in the passenger fusebox.
Avoid jump starting or 'boosting' the C3 to reduce the possibility of damage to the onboard computers.


This shows the positive battery terminal quick release latch.
Battery Disconnection Citroen C3
Battery Disconnection Citroen C3
This shows the battery anchor release lever
The battery is held in place by a catch that is part of the battery tray. Depress the lever to release the catch to allow removal of the battery.
The battery is held in place by a catch that is part of the battery tray. Depress the lever to release the catch to allow removal of the battery.
A close up of the battery release lever. Depress the lever to release the battery hold down clamp to allow battery removal after disconnecting the Positive and Negative connections.
Battery clamp release lever on a Citroen C3
Battery clamp release lever on a Citroen C3
If your battery is getting past it 3 or 5 year warranty period, it would be prudent to replace it before it starts giving you trouble.

Battery for a Citroen C3
Battery for a Citroen C3
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The C3 027 C3 Battery (here), 072 C3 Battery (here) the 063 C3 Battery (here) and the 065 C3 Battery (here)


Euro car parts have the right battery for your C3 and provide a 'click and collect' service along with a delivery service. Don't forget to use our Discount Code to get your gift from us. Use C3OWNER at the on-line checkout.
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Click here to visit Euro Car Parts for your C3 Battery :)
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