how to replace the battery in my Toyota Highlander XU70 (2020-Present) key fob

Toyota Highlander XU70 (2020-Present)

Error Codes

10-15 minutes

Time

easy

Difficulty

low

Severity

3 min read

456 words

Problem Statement

Step-by-step guide to replace the key fob battery in a Toyota Highlander XU70 (2020-Present). Learn how to troubleshoot and fix key fob issues.

Affected Component

Electrical

Estimated Time

10-15 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Avoid using excessive force when opening the key fob to prevent damage

Symptoms

•Key fob buttons are unresponsive
•Difficulty unlocking or locking the vehicle remotely
•No LED light activation when buttons are pressed
•Reduced range of key fob operation
•Warning message on the vehicle's dashboard regarding key fob battery

Diagnostic Steps

1
Confirm that the key fob is the only issue by testing with a backup key fob (if available)
2
Check for physical damage to the key fob that may affect its operation
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 necessary tools and materials.
Tools Required: Small flathead screwdriver or a coin.
Ensure you are working in a well-lit area.

2. Open the Key Fob

Locate the seam on the edge of the key fob.
Insert the small flathead screwdriver or coin into the seam and gently twist to pry open the key fob casing without damaging it.

3. Remove the Old Battery

Identify the battery type (CR2032 is commonly used for this model).
Note the orientation of the battery (positive and negative sides).
Carefully remove the old battery by sliding it out or using your fingers to lift it out.

4. Install the New Battery

Insert the new battery into the compartment, ensuring the same orientation as the old battery (positive side facing up).
Press down gently to ensure it is seated properly.

5. Reassemble the Key Fob

Align the two halves of the key fob casing.
Firmly press the two halves together until they click into place.
Ensure there are no gaps between the two halves indicating it is sealed properly.

6. Test the Key Fob

Stand near the vehicle and press the buttons on the key fob to verify functionality.
Check the range and responsiveness of the key fob.