fob or central

Hey guys, All of a sudden the Central locking/open boot etc is not working. What we have tried. Replacing batterys in key fob - No joy. Re-sync of key fob - turn key to position two, pull it out, within 10 seconds hold down the lock buttom and press the unlock button 5 times quick...

Hello guys..wondering if anyone could help me..and apologies for a long post, 3yrs ago my ignition barell went down...the dealer fitted a new barrel with a single key and all was fine...I only used my fob to lock/unlock the car, Then the red light on the mirror stopped working..still caused me...