i have been offered a omega 2.5 elite on swapz for my vec trouble is the miggy has a few issues 3 lights on on the dash t.c ,eml,air bag and also the rev counter is sticking he says he has had it plugged in @ vauxhall who told him to replace the clocks and the lights would go out and also the drivers door only opens when you put the key in but all other doors open on the fob any suggestions would be helpful