JLR Key Battery Replacement — DIY Guide for Range Rover & Jaguar

Tuesday, July 13, 2021
by Lock50 JLR Key Tools

JLR Key Battery Replacement — DIY Guide

JLR key battery replacement DIY guide Range Rover Jaguar by Lock50

A dead key fob battery is the most common Jaguar/Land Rover key 'fault' — and the easiest to fix. Here is how to swap it yourself, and when the problem is actually the key, not the battery.

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Step by step

Slide out the emergency blade, split the fob at the seam, lift the old cell and fit a fresh CR2032 the correct way up. Clip it back together and test.

When it is not the battery

If a new battery does not help, the key may be damaged or de-synced — that needs re-programming, which a Lock50 technician handles quickly.

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Frequently Asked Questions

What battery does a Range Rover key take?

Most JLR fobs use a CR2032 coin cell. Fit it the correct way up and test.

My key still won't work after a new battery — why?

The key may be damaged or de-synced and need re-programming; a Lock50 technician can sort it.

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