owner-guides

Learn how to easily replace your Lexus key fob battery with our simple step-by-step guide. Find out the correct battery type and tools needed to get your fob working again.

A dead Lexus key fob battery is a CR2032 coin cell that simply ran out of charge—not a sign of a deeper electrical problem. The replacement takes about five minutes, requires only a flathead screwdriver or trim tool, and costs $3–$6 for a fresh battery at any auto parts store, pharmacy, or big-box retailer. Here’s…