Passive ones can't go out of sync.
Active ones, the more complex variety, usually have a rolling code they are the ones that may go out of sync... Usually gives the dealer a load of spend to get them back again... frown


Graham (G4FUJ)

Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW