How do you reset the engine on a Ford Focus Immobiliser? If Your vehicle’s immobilizer is stuck on then You may need to reset the anti-theft system to get it to work properly again. This can be done by using the key that came with Your car and turning the vehicle to the on position and waiting for the antitheft light to turn off and thenOctober 2009. i have a 1998 ford focus and key fob doesnt unlock or lock the car but only have one key can anyone help please. dave. October 2009. Turn ignition key from pos ii to iii 4 times in six seconds your'll hear light on warning bong, press open button on fob, you'll hear bong again. job done. TNP.
Next, insert your key to power the engine, and leave the key there for at least 10-15 minutes. The last step is to recheck the anti-theft light, whether it is blinking or not. If the light has gone off, turn the key off, and let it be like that for another 2-3 minutes. Try to restart again; the ignition should work.
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