 The immobiliser circuit will close for 15 seconds and will rapidly pulse for 15 seconds before re-opening the circuit, allowing the vehicle to be driven to a safe location before once again being immobilised.The hazard lights will continue to flash, and on every subsequent attempt to start the vehicle will cause the horn to operate for 30 seconds, but the immobilizer circuit will not open, so the vehicle will not start and the hazard lights will keep flashing until the vehicle's battery is drained or the system is disarmed.Blocks steering shaft rotation and prevent rotation of the steering wheel.