These instructions apply to the Kia Ceed Mk3 (CD) 2018-Present. For other models, please choose your vehicle here.
Last updated:
Disconnecting the 12 V battery on a Kia Ceed Mk3 (CD, 2018–present) is a simple engine-bay job. This guide covers safe disconnection and the bits the car needs re-taught afterwards.
Where the Battery Is
The 12 V battery sits in the engine bay, behind a cover on one side. The petrol and diesel Ceeds have no high-voltage system to worry about.
Disconnecting
- Switch the ignition off, remove the smart key and wait a minute for the electronics to sleep.
- Disconnect the negative (−) terminal first and tuck the lead aside.
- If removing the battery, disconnect the positive (+) next, then the clamp.
Reconnecting & Re-teaching
- Reconnect positive (+) first, then negative (−) last.
- Reset the clock; the radio usually reloads on its own.
- Re-initialise the one-touch windows — see our Ceed window guide.
- If your car has a sunroof, it may also need re-initialising.
The Ceed doesn’t need the battery coded.
Frequently Asked Questions
Which terminal first on the Ceed?
The negative (−) first, and reconnect it last.
Does the Kia Ceed battery need coding?
No — just fit it and re-teach the windows (and sunroof if fitted).
Will I lose my radio?
No code is normally needed — just reset the clock.
Why won’t my windows auto-close now?
The power cut cleared their learned position. Run the quick re-initialise.
For any warning light that stays on, look up the code on autodtcs.com. To clear the service reminder, see our Ceed Mk3 service reset.
Disclaimer: The information on this page is provided for general guidance only. Always follow your official service manual and safety precautions when working on your vehicle. We are not responsible for errors, omissions, or any damage resulting from the use of this information.
This website is an independent resource and is not affiliated with, endorsed by, or sponsored by Kia. All trademarks and brand names belong to their respective owners.