I just shipped my car from the US to Sweden when I moved back to Sweden, since cars in the US is cheaper then in Sweden. The car went through Houston, TX and must have been very hot since some white plastic I had stored in the car turned yellow and the battery in my Honda CR-V 2007 was dead.

The battery is now up and running again, but the keyless entry does not work anymore, hence the car alarm is not up and running. When pressing "Unlock" on the key a red light blinks on the key and the signal lights blinks once, but the cars does not unlock. The same happens when "locking", the car flashes but the horn does not sound and no locking.

Anybody got a clue what seems to be the problem (the ignition works). Since I cannot go back to the dealer, I cannot ask them.

I have some paper that indicate that I have KARR security system.

Thanks