You can check if your car is factory fitted with a Thatcham category 2 immobiliser or category 1 alarm and immobiliser here, this only applies to UK specification cars and not privately imported cars.

Thatcham is a not-for-profit organisation, working with car insurers and car manufacturers they set quality standards for car immobilisers, alarms and tracking systems.

The categories of Thatcham security devices are;

• Thatcham category 1 - a combined alarm and immobiliser
• Thatcham category 2 - an immobiliser
• Thatcham category 5 - a tracking system with Level 1 Police response.
• TQA Tracking system - stolen car tracking or fleet managment with street level mapping or stolen car location