Nissan Micra key battery
K14
2017–2023How to change a fixed remote battery
- Find the slot or screw on the edge or back of the remote. Undo the screw if there is one.
- Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot and twist gently to open 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 CR2032 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.
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 CR2032 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.
K13
2010–2017How to change a fixed remote battery
- Find the slot or screw on the edge or back of the remote. Undo the screw if there is one.
- Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot and twist gently to open 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 CR1620 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.
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 CR2025 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.
K12
2002–2010- Remote head keyCR2016
K11
1992–2002- TransponderNo battery
A key with no buttons has no battery. It starts the car using a chip that needs no power.
For locksmiths · K14
- KeysFixed remote · Smart key
- Tools confirmed6
- Transponder chipSubscribers
- Programming procedureSubscribers
Questions
Nissan Micra key battery questions
K14 (2017–2023): CR2032 in the fixed remote and smart key. K13 (2010–2017): CR1620 in the fixed remote; CR2025 in the smart key. K12 (2002–2010): CR2016 in the remote head key.