These instructions apply to the Alfa Romeo Stelvio Mk1 (949) 2017-Present. For other models, please choose your vehicle here.
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A Alfa Romeo Stelvio (2017–present) remote that only works up close or has stopped responding almost always just needs a fresh coin cell. It’s a quick swap once you slide the emergency key out. Here’s the job, and why a new key is a dealer matter.
Battery First
The Stelvio key uses a CR2032 coin cell. A weak cell is behind nearly every unreliable-remote complaint, so fit a fresh one before suspecting the car. The fob holds a pull-out emergency key that unlocks the driver’s door if the remote is dead.
Replacing the Fob Battery
- Remove the key cover and pull out the mechanical key.
- Remove the button-cell cover underneath.
- Lift out the old CR2032 and fit the new cell the same way round (observe polarity).
- Reassemble in reverse order and test lock/unlock.
Lost Key or Adding a Spare
A battery swap keeps the existing coding. A lost or broken key can only be ordered from an Alfa Romeo dealer and coded with a diagnostic tool — there’s no owner sequence.
If a Fresh Cell Doesn’t Help
- Check polarity and the contacts — the usual reason a swap doesn’t take.
- Keyless Stelvio? Hold the fob against the START button to start the car if the cell is flat.
- Still dead? A receiver or body-computer fault can store a code — look it up on autodtcs.com.
Frequently Asked Questions
What battery does the Alfa Stelvio key fob use?
A CR2032 coin cell — confirm against the old one.
Do I need to reprogram the fob afterwards?
No — the coding is retained for a battery change.
Can I program a new Stelvio key myself?
No — a replacement must be ordered from Alfa Romeo and coded with a diagnostic tool.
How do I open the fob?
Remove the key cover and pull out the mechanical key, then lift off the cell cover.
If the remote stopped after a battery disconnection, see our Stelvio battery disconnect/reconnect guide.
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.
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