Like any battery, the one in your Toyota Highlander key fob will eventually need replacing. A dead key fob battery can be a major inconvenience, leaving you unable to remotely lock or unlock your doors, or even start your vehicle. Fortunately, changing the battery in your Toyota Highlander key fob is a straightforward process you can easily do yourself at home. This guide from the experts at keyfobprog.com will walk you through each step, saving you time and a trip to the dealership.
Step-by-Step Guide to Toyota Highlander Key Fob Battery Replacement
Replacing your Toyota Highlander key fob battery is a quick and easy DIY task. Follow these simple steps to get your key fob working like new again.
Tools You’ll Need
Before you begin, gather these minimal tools:
- A new CR2032 3V battery (the most common type for Toyota key fobs)
- A small flathead screwdriver or a similar thin, flat tool
Step 1: Remove the Emergency Key
Locate the small release button on your key fob. This button is usually a small metallic square or rectangle situated near the key ring loop. Press and hold this button while gently pulling out the mechanical emergency key from the fob. Set the key aside in a safe place.
Step 2: Open the Key Fob Casing
Now that the emergency key is removed, you’ll see a small slot or notch where the key was housed. Insert your flathead screwdriver or thin tool into this slot. Gently twist or pry to separate the two halves of the key fob casing. Take your time and avoid applying excessive force to prevent damage to the plastic. The casing should pop open with a little persuasion.
Step 3: Remove the Old Battery
Carefully open the key fob. You’ll see the internal components, including the green circuit board and the round, silver battery. Note the orientation of the old battery (usually positive side up). Gently pry the old battery out of its housing. You can use your fingertip or the flathead screwdriver, being careful not to scratch the circuit board.
Step 4: Install the New Battery
Take your new CR2032 battery and insert it into the battery compartment. Ensure the new battery is placed in the same orientation as the old one was removed (positive side usually facing up, often indicated by a “+” symbol). Push down gently until the battery is securely in place.
Step 5: Reassemble the Key Fob
Carefully align the two halves of the key fob casing and press them firmly back together until they snap securely shut. Ensure there are no gaps and the case is fully closed.
Step 6: Test Your Key Fob
Insert the emergency key back into the key fob until it clicks into place. Now, test your key fob by attempting to lock and unlock your Toyota Highlander remotely. If everything works as expected, you’ve successfully replaced your key fob battery!
What Battery Does a Toyota Highlander Key Fob Take?
Most Toyota Highlander key fobs use a CR2032 battery. This is a common 3V lithium coin cell battery that is widely available at drugstores, supermarkets, electronics stores, and online retailers. However, it’s always a good idea to double-check your owner’s manual or the label on your old battery to confirm the exact type required for your specific Toyota Highlander model year.
When to Consider Professional Help or Full Key Fob Replacement
While battery replacement is simple, there are times when you might need professional assistance. If you encounter any of the following situations, consider contacting a Toyota dealership or a locksmith:
- Damage during battery replacement: If you accidentally damage the circuit board or other internal components while changing the battery.
- Key fob still not working: If you’ve replaced the battery and the key fob still doesn’t function, there might be a different issue, such as a problem with the key fob itself or your vehicle’s receiver.
- Lost or damaged key fob: If your key fob is lost, severely damaged, or no longer working even with a new battery, you may need a complete Toyota key fob replacement and reprogramming.
For more complex issues or if you prefer professional service, the team at your local Toyota dealership, like Chicago Northside Toyota, can assist with key fob programming, replacement, and any other car key needs.
Changing your Toyota Highlander key fob battery is a maintenance task you can confidently handle yourself. By following these steps, you can keep your key fob working reliably and avoid unnecessary dealership visits for simple battery swaps.
