How To Open Lexus Key Battery. Under the drivers door handle you should see a hole. Wedge that cover open the key fob cover with a flathead screwdriver.
Now that you have opened the car press the trunk release button. Pull the door handle and open the door. Most 2010 to current model Lexus vehicles use CR1632 and CR1616 Panasonic batteries which can be obtained through a Lexus dealer electrical appliance shop or camera shop.
Repeat this process for a total of three lockunlock cycles.
Insert the key and turn it to the left to unlock the door. Push the key release on your key fob to remove the Lexus emergency key from the keyfob. Strip the 2 wires back a few inches and attach one to the positive and the other to. Pop open the key fob cover with a flathead screwdriver.
