Ford Focus Quiz
Engine immobiliser

Principle of operation

In this manual: Engine immobiliser
Introduction — 4Quick start — 1Child safety — 6Occupant protection — 8Keys and remote controls — 4Locks — 4Engine immobiliser — 5Alarm — 3Steering wheel — 4Wipers and washers — 9Lighting — 15Windows and mirrors — 5Instruments — 4Information displays — 5Climate control — 8Seats — 7Convenience features — 16Starting the engine — 11Fuel and refuelling — 11Transmission — 3Brakes — 4Stability control — 3Parking aid — 3Rear view camera — 3Cruise control — 3Load carrying — 6Towing — 3Convertible top — 3Driving hints — 4Emergency equipment — 3Status after a collision — 3Fuses — 4Vehicle recovery — 3Maintenance — 22Vehicle care — 4Vehicle battery — 3Wheels and tyres — 9Vehicle identification — 3Technical specifications — 1Telephone — 7Voice control — 7Connectivity — 6Navigation introduction — 2Navigation system — 2Appendices — 3
~1min read

The engine immobiliser is a theft protection system that prevents someone from starting the engine with an incorrectly coded key.

Test yourself

A quick Ford Focus quiz: every answer comes with an explanation and a link to the manual page.