Try re-syncing your key.
RENAULT
CLIO II, KANGOO & MASTER INFRA RED RESYNCHRONISING
1. Turn Ignition OFF.
2. Press the central door locking button for more than 5 seconds. Note :
the door should lock then unlock.
3. When this happens, 10 seconds is allowed and the immobiliser warning
light illuminates.
4. Point the 1st key at the receiver and press the button twice, the doors
should lock and unlock. Repeat for other remotes as required.
5. Check the remote control unlocks and locks the doors.
CLIO II, KANGOO & MASTER RF RESYNCHRONISING
1. Turn Ignition OFF.
2. Press the central door locking button for more than 5 seconds. Note :
the door should lock then unlock.
3. When this happens, 10 seconds is allowed and the immobiliser warning
light illuminates.
4. Press the remote control once, the doors should lock and unlock.
5. Repeat for second remote if required.
6. Check the remote control unlocks and locks the doors.