how to replace the battery in my Toyota Highlander Third Generation (2014-2019) key fob

Toyota Highlander Third Generation (2014-2019)

Error Codes

15-30 minutes

Time

easy

Difficulty

low

Severity

3 min read

471 words

Problem Statement

Learn how to replace the battery in your Toyota Highlander key fob (2014-2019). Step-by-step guide with symptoms, tools, and safety tips.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Avoid using excessive force when prying open the key fob to prevent damage.

Symptoms

•Key fob buttons not responding
•Difficulty locking or unlocking doors
•Engine start button not activating
•Warning light on the dashboard for key fob battery
•Reduced range of operation for the key fob

Diagnostic Steps

1
Verify that the key fob battery is the issue by testing with a spare key fob if available.
2
Check for physical damage on the key fob casing.
3
Inspect the battery compartment for corrosion or debris.

Solution

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Small flathead screwdriver
•Coin

Parts Required

•CR2032 battery

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Solution

1. Preparation

Gather tools: A small flathead screwdriver or a coin, and a new battery (CR2032).
Ensure you are working in a clean, well-lit area to avoid losing small components.

2. Open the Key Fob

Locate the seam of the key fob where the two halves meet.
Use the flathead screwdriver or a coin to gently pry apart the two halves of the key fob. Start at one end and work your way around the fob until it separates.

3. Remove the Old Battery

Once the fob is open, identify the battery position.
Note the orientation of the battery (which side is positive and negative).
Carefully remove the old battery using the flathead screwdriver if necessary to avoid damage to the contacts.

4. Install the New Battery

Insert the new CR2032 battery into the compartment, ensuring that the positive (+) side faces the correct direction.
Press down gently to ensure a firm connection with the contacts.

5. Reassemble the Key Fob

Align the two halves of the key fob and press them together until they snap back into place.
Double-check that there are no gaps between the two halves.

6. Test the Key Fob

Stand near the vehicle and press the buttons on the key fob to ensure proper functionality.
Confirm that the doors lock/unlock and that the engine start button works.