Citroën C1 key fob battery (2014–2022): CR2016 or CR2032
It depends on the key: remote control key takes one CR2016; keyless Entry and Starting electronic key takes one CR2032.
Remote control key
CR20163V
CR2016× 13V lithium coin cell
Also sold as DL2016, ECR2016, KECR2016 · CR2016 details
Source: Citroën C1 handbook
Keyless Entry and Starting electronic key
CR20323V
CR2032× 13V lithium coin cell
Also sold as DL2032, ECR2032, KECR2032, 5004LC · CR2032 details
Source: Citroën C1 handbook
Before you swap it
- A CR2016 is 1.6 mm thick. CR2025 and CR2032 look the same from the front, but they aren't the same cell, and a thinner one can rattle or lose contact.
- Keep the old cell until the new one works. If the car still won't respond, the new cell is usually in the wrong way up.
Quick answers
Which battery goes in the Citroën C1 key (2014–2022)?
Remote control key: one CR2016 3V lithium coin cell. Keyless Entry and Starting electronic key: one CR2032 3V lithium coin cell.
Is DL2016 the same as CR2016?
Yes. DL2016 is CR2016, and DL2032 is CR2032: same cells, other names.
Will a CR2032 fit instead of a CR2016?
No. It's the same 20 mm width but 3.2 mm thick, against 1.6 mm for a CR2016. Use a CR2016.