How to Replace JLR Key Fob Battery: CR2032 Guide for Range Rover, Jaguar & Discovery

Your JLR key fob uses a CR2032 lithium coin cell battery. Most JLR keys will last 2-3 years before needing replacement. Here's how to change it yourself.

Tools Needed

• CR2032 battery (quality brand recommended - Duracell, Panasonic)
• Small flathead screwdriver or plastic pry tool
• Soft cloth to protect the key

Step-by-Step Instructions

Type 1 Keys (Older Models - Pre-2016)

1. Locate the small slot on the side of your key
2. Insert your pry tool and gently twist to separate the halves
3. Remove the old battery noting the + side orientation
4. Insert new CR2032 with + side facing up
5. Snap the key back together

Type 2 Keys (Modern Smart Keys)

1. Press the metal button to release the emergency blade
2. Use the blade tip to pry open the battery compartment
3. Replace CR2032 battery (+ side facing down on most models)
4. Click the cover back into place

Key Still Not Working After Battery Change?

If your key doesn't work after battery replacement, it may need re-synchronisation. This is common if:

• Battery was dead for extended period
• Multiple button presses with dead battery
• Vehicle battery was also flat

Contact Lock50 / JLR Key Genie for key programming assistance - we cover UK, USA and worldwide.