How To Open A Toyota Key. Once you have opened the key fob you will then need to remove the circuit board carefully. You should not have to reprogram the key fob.

Open the trunk by locating the latch under the rear bumper and pulling it up. To change your Smart Keys battery take the metal key out of the fob and use the opening left behind to carefully pry the fob open. HttpbitlyToyotaSubscribeAbout ToyotaWere in the b.
To start the vehicle place the transmission shift lever in Park and apply the brakes.
Heres the trick to opening and then starting the Toyota Prius even with a dead fob. Put your key fob back together and re. Once you have opened the key fob you will then need to remove the circuit board carefully. If you cant find it look for a button on your key fob that opens it.

