MAN FIX CAR ! Turns out it was fuse #23, which runs the fuel injection. I had checked them all, but only pulled them out one by one and looked at them from the side, as the book says. This time I checked their continuity with ohm meter, and found that lying no good bugger. Wonders never cease. Thank...

Thank you all. I'm on it's trail. Suspect I blew a fuse or relay in trying to jump start it.

Thank you. I figured out the key and got into car ok. Now it won't start. I had left the light switch in wrong position, due to mis- undersdtanding the 'daylight running' nature of it. So battery was dead. Tried to get it charged, but it was feeble, so bought a new battery. Still won't start; just c...

Neither remote entry key does a thing, all of a sudden, on 2004 S40. Suspect electrical problem inside the car, as both
controller batteries wouldn't go kaput at once. First problem seems to be, 'how do I get into car?'

Neither remote entry key does a thing, all of a sudden, on 2004 S40. Suspect electrical problem inside the car, as both
controller batteries wouldn't go kaput at once. First problem seems to be, 'how do I get into car?'