2004 pontiac grand am 3.4l

Replaced the ignition switch and pass-lock tried to do the relearn procedure and the security light stays on and car wont start still.

2001Pontiac Aztek

My husband can’t get the crossover exhaust pipe off to replace thermostat. Can’t get to the back bolt. HELP

2006 Pontiac G6

Will a 920 gm-b 24209508 transmission work in a 2006 g6 2.9 6 cylinder