What battery does a Toyota Corolla Axio / Corolla Fielder key take?

Toyota Corolla Axio / Corolla Fielder key battery

Every Toyota Corolla Axio / Corolla Fielder remote key we cover, 2006–2019, takes one CR1632.

2012–2019

How to change a smart key battery

Slide the release catch and pull out the emergency key blade.
Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot the blade leaves and twist gently to part the case. Keep it off the circuit board and contacts.
Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
Fit a new CR1632 the same way up, holding it by the edges. Leave any grease on the contacts.
Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.

2006–2012

Smart keyCR1632
TransponderNo battery
A key with no buttons has no battery. It starts the car using a chip that needs no power.

How to change a smart key battery

Slide the release catch and pull out the emergency key blade.
Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot the blade leaves and twist gently to part the case. Keep it off the circuit board and contacts.
Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
Fit a new CR1632 the same way up, holding it by the edges. Leave any grease on the contacts.
Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.

Questions

E160 (2012–2019): CR1632 in the smart key. E140/ZRE142 (2006–2012): CR1632 in the smart key.