Interior problem
1996 Pontiac Grand Am 6 cyl Two Wheel Drive Automatic 150000 miles
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When i went to turn off my car it shut off, but the lights and that were still on. i could not get the key to turn all the way back. I finaly got the key out, but still didnt have it all the way turned back. When i got that part, it sometimes dosent like to turn and i have to wiggle and play with it for 5-10 minutes when i want to start or shut off my car. Should i buy a new tumbler, or should i just try tightening the screws or something?
also, can you use any kind of ignition switch, or does if have to be specific for my kind of car?

if you have not already replaced the tumbler(ignition cylinder then definitely replace it and that should fix it