starting problems
 

I have a 2002 VW passat 4motion V6 130K. when switching the key to the a/c then to on position , no electrical lights come on, and car is basically powerless and does not start. no clicking sound . in order for the vehicle to start, i have to bring the key back to the lock position and try again until dashboard lights come on. Then it will start, and stay on /drive perfectly. hopefully this is specific enough - your help is much appreciated. thanks