hi guys just brought another astra to my collection lol
got a astra estate m4 aswell as my van but got a few problems with the estate as its been neglected .
forst thing is
the key fob lights up but will not lock the doors but if i lock car with key and use fob it will open the doors
any idea's

also engine management light comes on now and then and not sure what fault is is there any way i can find out cheap wise
its the 1.6 8v engine