What is vehicle immobilisation?
· Kelvin Oyugi, Technology & Telematics Expert · 2 min read
Immobilisation is the ability to prevent a vehicle's engine from starting or continuing to run, either through the vehicle's own factory immobiliser or through a fitted system that can be triggered remotely.
Every modern vehicle already has an immobiliser. It is the reason a car will not start with a copied key that has no transponder in it: the key talks to the vehicle's security system, and the engine is only permitted to run when that conversation succeeds. This is also why replacing a lost key means programming the key to the vehicle rather than cutting metal, subject to the vehicle make, model and security system.
The immobilisation people mean when they ask about tracking is the second kind — a relay fitted during installation that can cut the engine on command. Where configured and appropriate, the engine can be immobilised remotely and restored when authorised, according to the configured security logic.
Two things about it are commonly misunderstood, and both matter more than the feature itself.
The first is that it is not enabled by default. It is set up per installation, deliberately, because immobilising a moving vehicle is not something to make easy by accident. What the system does and when it does it is a decision taken at fitting, not a switch left on for anyone with the app.
The second is that immobilisation supports a recovery rather than performing one. Nebsam does not operate a recovery service. What the equipment does is report the vehicle's position and, where configured, prevent it from being driven further, so that you and the police have something to act on.
It is also why anti-jamming matters: a system that can be silenced before it acts has not protected anything.
Read more: Vehicle security and anti-theft