Smart Push Button Start Immobilizer

Electrical specs: operates strictly at DC 12V; 24V supply will damage the unit. Power efficiency: 8mA standby draw enables deployment in vehicles parked for weeks — confirmed field performance in UK winter conditions (tested down to -5°C). Housing: injection-moulded black ABS, resistant to UV degradation and dashboard thermal cycling. LED interface: single blue indicator with context-aware behaviour — remains illuminated during normal operation, turns off when anti-theft is active, and pulses twice when successfully disarmed. Core operations unfold in time-synchronised sequences: (1) After engine shutdown, system waits 15 seconds then severs starter circuit and de-energises ignition — full immobilisation without user input; (2) Presenting the RFID ID card near the induction coil triggers two audible beeps and LED pulse, re-enabling start function; (3) Pressing the button with brake applied starts or stops the engine within 0.5 seconds; (4) Pressing without brake activates horn/siren mimic (first press) or instrument cluster power (second press); (5) Any unauthorised brake application triggers 15-second brake light flash — visible deterrent with zero false alerts. Three-tier application logic applies: (A) For vehicles lacking any remote or alarm, this delivers complete keyless transformation — including silent locking, instant start/stop and event-triggered warnings; (B) For vehicles with basic anti-theft, it adds undetectable electronic enforcement behind mechanical layers — raising intrusion difficulty without changing outward appearance; (C) For PKE-equipped vehicles, it serves as ergonomic and functional upgrade — replacing awkward key-turn actions with intuitive push-button control while adding brake-event intelligence absent in most OEM packages.