Replace and Program Your Vehicle Key Fob Battery

Cost Savings

Checklist Tasks

• Identify your key fob model to ensure correct battery purchase.
• Purchase a manufacturer-approved battery to avoid voltage issues.
• Pry open the fob with a non-metallic tool to prevent static damage.
• Photograph battery orientation before removal for correct installation.
• Clean contacts with isopropyl alcohol to remove corrosion.
• Inspect the rubber membrane for cracks to prevent moisture entry.
• Replace the battery without touching contacts to avoid contaminating them.
• Reassemble the fob, ensuring all seals and clips are engaged.
• Test lock, unlock, and panic buttons at different distances.
• Complete the programming sequence per the manual to avoid lockout.
• Verify all doors respond to the fob after programming is finished.
• Store backup fob in a secure, dry place as a precaution.