keycard

First off the key card wouldn't unlock the car and then when it was put in the key slot it said key card not recognised. The vehicle wont start at all it wont register either key. The battery on the vehicle has been replaced like for like and both key card batteries have been replaced as well. I...

So parked the car last night. I realised the keycard was in the boot so got out to get it. Then the car wouldn't turn off. After a couple of minutes it did. Locked as I walked away. I went out this morning to get something from the car and the sensor on the door didn't work on passenger or...