DIY Guide: Mazda CX-5 Key Fob Battery Replacement

Is your Mazda CX-5 key fob malfunctioning? A dead battery is often the culprit and an easy fix. Replacing your key fob Mazda CX-5 battery yourself can save time and money. Mazda CX-5 key fobs commonly use CR2032 or CR2025 batteries, readily available online and in stores.

Simple Steps to Replace Your Mazda CX-5 Key Fob Battery

Here’s a quick guide to replacing your Mazda CX-5 key fob battery:

Opening the Key Fob

Opening methods vary slightly:

  • Newer Mazda CX-5s: Insert the hidden key into the designated slot to carefully open the case.
  • Older Mazda CX-5s: Use a thin object like a flathead screwdriver to gently pry open the case at the notch.

Battery Replacement

  1. Carefully lift the circuit board to access the battery.
  2. Note the battery’s orientation.
  3. Replace the old battery with a new CR2032 or CR2025, ensuring correct polarity.
  4. Snap the key fob case closed.

Test your key fob Mazda CX-5. If it doesn’t work, check battery contacts.

Understanding Key Fob Types

Key fobs come in five main types:

  1. Standard Remotes: Basic remotes.
  2. Flip Keys: With a flip-out key.
  3. Remote Heads: Key permanently attached.
  4. Fobik Keys: Separate hidden key.
  5. Smart Keys: Often for push-to-start.

Troubleshooting & Further Help

If a new key fob battery for your Mazda CX-5 doesn’t solve the issue, key fob replacement may be needed. For video instructions, search “Mazda CX-5 key fob battery replacement” on YouTube or visit KeyFobsPlus YouTube.

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