Security On

Turn key on security light flashing try to start and let go leave key on security light flasher for about 10 min when it stops turn key off and start car. The key needed to be reprogrammed happy driving after that in some rare cases you may have to do that 3 times total of 30 min

Please let us know if you need anything else to get the problem fixed.

Heres a guide for you to read

https://www.2carpros.com/articles/how-to-reset-a-security-system

Cheers

Computer problem
1999 Pontiac Grand Prix Front Wheel Drive Automatic 334886 miles

I changed my battery on my car, the keys got locked in the ignition theft lock says inop i knew the code to unlock it, but didn't work. Tried to get ahold of the dealer got the run around. Am handing with electronics please help.

Here is how to reset the security system in your car.

Turn the key to the on position and allow the SECURITY light flashes for 10 minutes. Once the light has stopped flashing turn the ignition off and back on again within 5 seconds and you are all set.

Please let us know if you need anything else to get the problem fixed.

Cheers

Yep that did it thanks for your help I love this site!

I changed my relays on the fuse box and charged the battery now it won't do nothing but turn over like it ain't getting fuel and all the lights blink and goes off.u can call me on 9122868516 or text me a walk thru how to do it

things changed around then with security try what I send in pic if that doesn't work try another key if you don't have another key then you will have to get security reprogrammed which any shop with a scanner can do.

it just sits their and blinks and when finish do it again how will u know when it's right

can anyone. Help me get this car started please

the car will start. let the light blink until it stops once it stops try to start the car. you may have to do this 3 times at 10 mnutes each read what I sent

Electrical problem
2001 Pontiac Grand Prix 6 cyl Front Wheel Drive Automatic

the anti theft system keep cutting the car off after it starts and the security light is staying on when the car is running. there is no keyless remote for the car. How can I reset the anti theft system

Have you done a relearn on the pass-key?
GM PASS LOCK RELEARN- Ignition to "run" position, try to start and let key return to "run" position
Approx ten minutes security light will go off
Turn key "off" and wait 5 seconds
Repeat 2 more times for a total of 3 relearns.
Turn key off, then start it

replaced battery security system engaged dont know how to reset

GM PASS LOCK RELEARN- Ignition to "run" position, try to start and let key return to "run" position.
Approx ten minutes security light will go off
Turn key "off" and wait 5 seconds
Repeat 2 more times for a total of 3 relearns.
Turn key off, then start it.