Adding or replacing a key for a Li Auto vehicle requires careful preparation. The important point is simple: during key matching, the vehicle clears the existing registered keys before the new key set is enrolled.

Important: bring every key that must remain active
If the customer is adding only one extra key, both the existing key and the new key must be available for the same matching session. Any key that is not present when the matching process is completed may no longer work afterwards, because the vehicle records only the keys enrolled in that session.
Before booking, collect every key the owner expects to use after the service. This avoids a common and avoidable follow-up visit.
Tools and connection preparation
The service requires a compatible diagnostic connection to the vehicle and a stable network connection for the authorised remote workflow. Prepare the following in advance:
- a compatible OBD diagnostic cable;
- a USB-to-Ethernet adapter for a reliable wired network connection;
- a suitable computer and stable power supply; and
- all keys that must remain active after matching.

Allow enough time for the connection
The connection stage can take longer than expected. Network conditions, vehicle status and remote-service availability can all affect the time required. Please reserve a sufficiently long uninterrupted appointment window, keep the vehicle in a suitable location with stable internet access, and avoid starting the work when the vehicle needs to be moved soon.
What we check before starting
- Vehicle identity and the owner’s or authorised workshop’s permission.
- The complete set of keys to be retained.
- Diagnostic and network equipment readiness.
- Vehicle power and a stable working environment.
Service scope and safety
This is an authorised technical support service for the vehicle owner or an authorised workshop. The work should be performed only after confirming the vehicle details and authority to request the service. We do not provide methods to bypass ownership checks, immobiliser protections or vehicle security controls.
After the session, the keys enrolled during the matching process should be tested for their intended functions before the vehicle is handed back.
Before you contact us
Send the Li Auto model, model year, current key count, the number of keys to be added, your country, and clear photos of the available tools. We will confirm whether the case is suitable for remote support and help you prepare for the appointment.
Contact LEO EV CAR: WhatsApp or linshengchun@leoev.cn.
