To reset the fashing dash blue security light............disconnect the hot lead on the battery and after about 3 minutes, reconnect it. Light should be off now.
Well that depends on what type of security light bulb it is. Is it for your car, backyard or porch? There are so many out today.
The security light on a 2001 Chevy Astro Van can be reset by disconnecting the battery for 30 seconds. This resets the system and turns out the light until another problem is detected.
turn the ignition off for 3 minutes
Not 100% sure about a 2003, but on a 1998 you reset the security system by locking and unlocking the doors from the outside with you remote key fob. Hope that helps.
do not start vehicle but turn key to on position then off three times and on that third time leave it on the "on" position takes 10 to 15 minutes to reset the security light should stop blinking.
You can do it with a scanner. Usually when the security light is flashing it means there is a problem with the passlock system. Dealer item and about $500.00-$700.00 to replace parts & reprogram.
The factory alarm causing the issue would be the security light flashing above the RPM guage. If the security light is flashing and the car will not start, follow the directions listed below. To reset the factory alarm, turn the ignition switch to the "on" position NOT the start position for 15min. You will see the security light go off after 15min.
how to reset the radio security on a toyota 37409
take off the negative cable for 10 sec. or so, that should clear all the codes and reset the computer.
When your security light comes on and your car will not start, turn you key to the on position and wait 10 minutes. The light will go off and you need to turn the key to the off position, then restart your car.
Check out the related link for advice on how to reset the security code on a Nokia C2-03.