Nissan Altima Anti Theft System Reset. Allow the gas pedal to run up five times in five seconds once it has been fully depressed. Start the engine and wait three seconds until the ignition key is turned to the “on” position.
Wait for fifteen minutes and unlock the door, this should reset the security system. The 2002 nissan altimas anti theft system could be preventing you from entering your car altogether for a variety of reasons. First you need to lock all the doors and then unlock the driver's side only using your key manually.
