Van won't start with auto start but starts with key

SOURCE: 2000 Chevy Blazer Won't Start

For the no brake lights, I've heard that the hazzard switch goes bad, which is shorting out the lights. The 3rd middle brake light will still work.

SOURCE: 2007 chevy cobalt ls won't

Ignition relay or fuse could be the problem. When you turn the key to start do you hear a fuel pump kicking on and or do you have spark when you hot wire the starter (I know it's hard to check while trying to start it)? You can email me back and I might be able to pinpoint it more.

SOURCE: the 'theft system' light does not turn off with the key in the run position on my 1999 chevy cavalier. car won't start, it won't even crank over. the battery and the starter are brand

try locking your car with the key and unlocking it with the key, leave it for 30 second or so between the locking and unlocking , the car thinks some one has tampered with it