It is very easy. All sync data from CEM was lost When battery discharged. You can check it use some diagnostic tool for check how many keys still in CEM. Need to restore it or create other data. There are 2 main ways: 1. Bring car to official dealer. (but they will replace a lot stuff on car and wi...

Hi all. I'm new to this forum. I'll try to make it short. A friend has got s60 2.4t petrol, the year 2007. I'm assuming it was an ex-police car, that's what he said. So he drove his car to a local garage to do a service and install a remote start system. Thinking he'll be a cool guy. Right! The guy ...