I have a 2005 Astra 1.8 Sri and I cant get the service light to go out. The old one 1(03 astra) I had used to go off no problem with a simple push of the reset button and turn on ignition etc. This one is proving a bit more complex!!! My friend has a 04 Astra(H, new shape as well) and we got the service light off no probs. Any ideas???? Thanx in advance!