How to Replace a Toyota Premio NZT260 Key-Fob Battery
Identify and replace the Premio NZT260 key battery without confusing Smart Entry and non-Smart Entry specifications.
Toyota’s Premio documentation lists CR1632 for the electronic smart key and CR2016 for the wireless key without Smart Entry & Start.
Open verified NZT260 reference →What you need
- Correct coin cell after confirming key type
- Small flat plastic pry tool
Step by step
- 1
Identify the key system first
Do not buy a battery yet. Toyota's NZT260 reference distinguishes Smart Entry & Start from the non-Smart Entry key.
- 2
Confirm the battery specification
Use the linked exact-code CarFactBook fact: the cited reference uses CR1632 with Smart Entry & Start and CR2016 without it.
- 3
Remove the mechanical key if fitted
Release the emergency key before opening the transmitter housing.
- 4
Open the housing carefully
Use the intended seam/notch and a non-marring tool. Avoid damaging the sealing surfaces or clips.
- 5
Replace like-for-like
Note polarity, remove the old cell and install the verified replacement for your key system.
- 6
Close and test
Reassemble the key and test all remote functions before discarding the old battery.