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Industry-standard systems
Free installation by trained fitters
0% finance options available
3-year warranty as standard
A next-generation car immobiliser system that uses encrypted driver-recognition cards or a smartphone app to authorise the vehicle.
Vehicle Compatibility







Product Features
- The engine will only start when the system detects your Shadow driver card or smartphone app.
- Automatically immobilises itself shortly after ignition is turned off.
- Helps prevent key theft, key cloning and relay-based attacks by requiring driver authentication.
- Works with petrol, diesel, hybrid, EV and classic vehicles.
- One card or app profile can be linked to multiple vehicles for ease of use.
- Includes a secure app-based override if a card is lost.
Free UK-Based Installation
25% OFF on Workshop Installation
About the SmarTrack Shadow Immobiliser
The SmarTrack Shadow Immobiliser is designed for drivers who recognise modern vehicle theft has evolved, but security often hasn’t. With smart tag or app control, it won’t allow your vehicle to start unless you’re authorised, keeping even a genuine key powerless. Built for vehicles of all types – from valued classics and hybrid family cars to performance machines – it uses a stealth installation and flexible driver detection to give you peace of mind. No subscription, no ongoing fees: just a reliable vehicle immobiliser designed for today’s threats.
Features of SmarTrack Shadow

Immobilisation via driver tag or app
Engine start blocked unless the authorised card/tag or mobile app is used.

App- or card-controlled driver recognition
Control and authorise your vehicle via the SmarTrack mobile app or the supplied driver-detection card.

Automatic activation after ignition off
Installation arms the system automatically once the engine is switched off – no user steps required.

No visible LEDs, no radio emissions
Makes the device harder for thieves to detect or tamper with.

Standalone installation with no subscription required
Once fitted, you’re protected without ongoing monitoring fees or hidden costs.

Flexible multi-vehicle and fleet option
One detection card or app can authorise multiple vehicles: a good solution for family or fleet use.

Future-vehicle compatible (classic, hybrid, electric)
Designed to work across all modern vehicles including older classics and EVs.

Mobile app override access
Securely override the system via the SmarTrack app – ensuring you’re never locked out while keeping full anti-theft protection active.

Free UK-based Installation
Every Mass Vehicle Security product includes free, professional installation – with no hidden fees or subcontractors.
Our core team operates across the Midlands and Yorkshire, and we also partner with a trusted network of vetted installers to cover the rest of the UK. We aim to get your product fitted within 5 working days of purchase, depending on availability.
We install at homes, workplaces, residential streets and private driveways – anywhere with safe, accessible parking.
FAQs about SmarTrack Shadow
What is a Shadow Immobiliser?
The Shadow Immobiliser is a modern car immobiliser system that prevents your vehicle from starting unless you’re authorised via driver-detection card or mobile app. It belongs to a new generation of car immobilisers designed to counter key theft, cloning and relay attacks.
How does the Shadow Immobiliser work?
Once installed, the system automatically arms when the ignition is switched off. The vehicle will only start when the registered driver card or app is nearby, confirming your identity before allowing the engine to run. If no authorisation is detected, the immobiliser blocks the vehicle completely.
Is the Shadow Immobiliser compatible with my car?
The Shadow system is compatible with most modern vehicles, including hybrids, EVs, performance cars and classics. If you’re unsure whether your make or model supports the system, get in touch – our trained team can quickly confirm compatibility before booking your installation.
How much does the SmarTrack Shadow Immobiliser cost?
The immobiliser cost typically starts from £499 including professional installation by Mass Vehicle Security. This covers the supply, setup and fitting of the system, with no hidden fees or ongoing subscriptions.
Does the Shadow Immobiliser use a smartphone app or card?
You can use either – the SmarTrack mobile app lets you control, arm and disarm your immobiliser, while the supplied driver-recognition cards provide hands-free authorisation when you approach the vehicle. Many drivers use both for flexibility and backup.
Will it work with hybrids or electric vehicles?
Yes. The SmarTrack Shadow Immobiliser supports a wide range of vehicles, including petrol, diesel, hybrid and fully electric models. It’s designed to integrate seamlessly into modern CAN-bus systems without affecting your vehicle’s performance or warranty.
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Get in touch
Still have a question about SmarTrack Shadow. Drop us a message and we’ll get back to you as soon as we can (usually within one working day).







