How to Replace Car Key Battery Toyota Fortuner | FOB | Electronic and Mechanical Key | CR2032

Today, I want to show you how to replace the car key battery (CR2032 3V) Toyota Fortuner without any tools.

When to change the car key battery?

1. The alarm/notification "Key battery low" appeared on the display meter after the engine started.
   
2. No LED light when pressing button keys.
   

Step:

1. Slide the lock to the right at the backside of the electronic key and pull out the mechanical key.
   
   
   
   
   
   
   
   
2. You can see the slotted behind inside the mechanical key places.
   
   
   
   
   
3. Inside the mechanical key inside the slotted and give a little twist to it.
   
   
   
   
   
4. The two pieces will come apart.
   
   
   
   
   
5. Pry the battery to remove it from the transmitter using a mechanical key.
   
   

   

   
   
6. The battery type is CR2032 3V from Panasonic.
   
   
   
   
   
7. For replacement, I used a CR2032 3V battery from Energizer.
   
   
   
   
   
8. Install all components in reverse order of removal. Note: Ensure the positive (+) is outside and negative (-) inside.
   
   
   
   
   
9. Note: make sure to snap the electronic key after closing the cover.
   
   
   
   
   
10. Test the buttons of the electronic key.
    
    

    

    The LED indicators of an electronic key will light up when the buttons are pressed.

    
    

    

    No "Key battery low" alarm/notification was detected at the display meter after the engine started.

    
    

The link tools and components replacement I used in this video are listed below:

Tools/Components/Items (Shopee):

1. Battery CR2032

Tools/Components/Items (Lazada):

1. Battery CR2032

Tools/Components/Items (Aliexpress):

1. Battery CR2032

Video:

That is all from me. If you have any suggestions, please write in the comment section. Thank you for your time 👷.