Tip & How-To about 1999 Pontiac Grand Am GT
When your anti theft system keeps you from driving your own car. try this befor you go to the shop.
trun the key to the on position (do not try an start) leave it on for 10 to 20 min. then turn off key then try and start your car.
this should work it resets the computor. if it doesnt then you may need to go to a shop.
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