UK VEHICLE SECURITY GUIDE
Aftermarket immobilisers: a practical UK guide
An aftermarket immobiliser adds a further authorisation step before a vehicle can be driven. Systems differ in how drivers authorise use, how they integrate with the vehicle and how emergency access works.
Authorisation options
Depending on the product, authorisation may involve a PIN sequence, a wireless tag, a paired phone or another method. Consider convenience, lost-device recovery and whether other drivers need access.
Vehicle compatibility
Compatibility must be confirmed for the exact make, model, year and variant. Modern vehicle electronics are complex; installation should be handled by a competent specialist following product guidance.
Insurance and certification
Ask the insurer whether an additional immobiliser is required and whether a particular approval or certificate is necessary. Do not assume all aftermarket products qualify.
Before booking
- Confirm exact vehicle compatibility.
- Ask about emergency override and spare-driver access.
- Check installation warranty and support.
- Request clear documentation of the fitted system.