I would like to know how to reset my anti theft on

Do you have a second key to the car if so try it, could be the key is the problem. Has the battery died or been disconnected may need to a relearn, some suggestions and thoughts in links below.
I have a 1999 oldsmobile cutlass, the "theft system" light is coming on. as you well know you cant start the car for 10 (justanswer.com)

Theft System Light - 1999 Oldsmobile Cutlass (repairpal.com)

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Try this

To fix the Dodge Nitro anti-theft mechanism, you will insert the ignition key and turn it to the on spot, and then attempt to start the engine (crank over), the engine does not run. With the key still in the run spot, wait 10 minutes, and the safety light will flash and then go out.

How do i reset the Dodge Nitro anti theft? - Vehicle History

Or this

How do I reset my Dodge anti-theft system?
To deactivate the anti-theft system so that you can drive your vehicle normally once again, the steps are simple:

1. Place your key in the ignition of the vehicle.
2. Do not attempt to crank up your truck.
3. Allow your key to sit in the ignition for 60 seconds. ...
4. After 60 seconds have passed, start your vehicle as normal.

Jun 28, 2021

Dodge Ram 1500: Resetting the Anti Theft - VehicleHistory

sounds like the anti theft system is activated , proberly cuts the power to the fuel or ignition follow this link for reset procedure
How to Reset the Anti Theft on Jeep Cherokee eHow

the way i reset the antitheft is to put the key in the ignition and turn it on till all the dash lights come on but dont start it let it sit 15 minutes turn the key off and turn it on again till all the lights come on again repeat this procedure three times after the third time turn the key off for about 5 seconds and then your car should start hope this helps.

the anti-theft has been activated and will have to be reset.

to reset theft system--turn key to on, leave for about 15 minutes. after 15 min. turn key off, wait 15 seconds. then try to start car. to bypass anti theft system-- all gms===go to site- newrockies.ca/vatsbypass.

Does it run for a full minute or start then shut off within a few seconds?
If the latter, then it sounds like the anti-theft system has kicked in and needs to be reset.

try disconnecting the battery for30 min befor you reset with the key on.

make sure you have a fully charged battery turn on the ignition with out starting the vehicle let sit in on position for 10 to 15 minute then start it may take a few attempts

no cutoff switch!! try this turn key to on, do not start car. let sit for about 30 minutes, after 30 minutes, turn key off. wait 15 seconds and try to start car. this should reset anti theft system.