What Is a Ghost Immobiliser?
A Ghost Immobiliser is a CAN-bus vehicle security system that sits invisibly inside your car's electronics, with no LEDs, key fobs, or radio signals to detect. Instead of a traditional key or fob, you arm and disarm it using a personal PIN entered through your existing steering wheel or dashboard buttons, or automatically via Bluetooth using the companion smartphone app. Because it's undetectable and can't be scanned, cloned, or bypassed, it protects specifically against keyless entry theft, key cloning and CAN-bus attacks — common methods used to steal modern cars in the UK today.
The Ghost Immobiliser II by Autowatch is one of the most sophisticated vehicle security systems available on the UK market today. Developed in direct response to the rise of modern car theft techniques, it goes far beyond what any factory-fitted security system is designed to do, protecting your vehicle against key cloning, relay theft, key theft, and CAN bus hacking in a way that is completely invisible to those who shouldn't know it's there.
At its core, the Ghost works by requiring a unique PIN sequence to be entered before your vehicle will start. This sequence is known only to you, stored nowhere digitally, and leaves no footprint for thieves to follow. Unlike traditional immobilisers that can be bypassed with specialist tools or defeated by intercepting a signal, the Ghost has nothing to intercept. It produces no radio frequency output, carries no LED indicators, and leaves no trace on your vehicle's exterior or interior. To anyone without the code, the car simply will not start, full stop.
The system is fully integrated into your vehicle's existing electronics via the CAN bus network, meaning there is no additional hardware bolted on and no modifications that could flag to a thief that a security device is present. It is, in every practical sense, hidden in plain sight.
For day-to-day use, the Ghost is designed to be as unobtrusive as possible. The optional Autowatch Ghost TAG pairs seamlessly with the system, allowing the immobiliser to disarm automatically when the TAG is within range. Keep it on your keyring, in your wallet, or about your person and your car starts just as it always has, with no extra steps required. If you ever leave home without the TAG, your personal PIN sequence is always available as a backup, so you are never left stranded.
Each TAG is available at £59.99 and additional TAGs can be purchased for other drivers or as a spare. The peace of mind that comes with knowing your vehicle is protected around the clock, with no subscriptions and no ongoing costs, makes the Ghost Immobiliser II one of the most cost-effective long-term security investments available to UK drivers today.
The Autowatch Ghost Immobiliser III: Advanced Vehicle Security
The Autowatch Ghost Immobiliser III is the most advanced vehicle security system Autowatch has produced, built specifically for modern cars and designed to stay ahead of the theft techniques criminals rely on today. It protects against key cloning, relay theft, key theft, and CAN bus hacking, and it does so completely invisibly, giving no indication to anyone who shouldn't know it's there that your vehicle is protected at all.
Invisible Protection With No Signal to Intercept
At its core, the Ghost III requires a unique disarm sequence to be entered before your vehicle will start. This sequence is known only to you, stored nowhere that a thief can reach it, and leaves no footprint to follow. Unlike traditional immobilisers that can be bypassed with specialist tools or defeated by intercepting a signal, the Ghost III has nothing to intercept. It produces no radio frequency output, carries no LED indicators, and leaves no trace inside or outside your vehicle. To anyone without the sequence, the car simply will not start.
Next-Generation Hardware and CAN-FD Support
What sets the Ghost III apart is its next-generation hardware. Built on an all-new high-speed processor with lower power consumption, it adds full support for high-speed CAN-FD, the communication protocol used by the newest vehicle platforms, alongside legacy CAN networks. Engine blocking is delivered digitally through the CAN and LIN buses, combined with traditional circuit cuts where a vehicle requires it, drawing on over 15 years of CAN vehicle security expertise. The result is maximum compatibility now and for years to come. As with every Ghost, it integrates directly into your vehicle's existing electronics with no visible hardware to give the game away, hidden in plain sight.
Everyday Convenience: PIN, Key-Tag and App
For day-to-day use, the Ghost III is built around your convenience. You can disarm it using your personal PIN sequence entered through the factory buttons, a key-tag that authorises the system automatically when it's within range, or the smartphone app. Smart immobilisation also means factory remote functions such as pre-heating and cooling continue to work through your manufacturer's own app, like JLR InControl or the Ford app, without ever compromising security. A built-in Service and Valet mode makes garage visits and handovers simple, letting someone drive the car without ever knowing your sequence.
Expandable Protection and Long-Term Value
The Ghost III can be paired with an anti-tamper siren and the all-new Autowatch CANBOT locator and communicator for an additional layer of protection. With professional installation by an approved Autowatch installer, no subscriptions, and no ongoing costs, the Ghost III is one of the most cost-effective long-term security investments available to UK drivers today.
How the Ghost III Immobiliser Works
The Ghost III adds a powerful second line of defence by requiring a unique PIN sequence to be entered through your vehicle's existing steering wheel buttons or dashboard controls before the engine will start. There are no aftermarket keypads, no visible additions to your interior, and no giveaways for a thief to work with. The sequence is entirely your own, built from the buttons already on your car, and can be updated whenever you choose.
CAN Bus Integration and Digital Engine Blocking
Because the system integrates directly with your vehicle's CAN bus network, it works at a fundamental level that standard diagnostics cannot reach. The Ghost III goes further than any Ghost before it, adding full support for high-speed CAN-FD used by the latest vehicle platforms, with engine blocking delivered digitally through the CAN and LIN buses and traditional circuit cuts where a vehicle needs them. A thief could have your key, your fob, and all the cloning equipment in the world, and the car still would not move. The Ghost III doesn't block a signal or scramble a frequency; it just waits, quietly, for the correct sequence.
Everyday Convenience: App, TAG and PIN
For everyday convenience, the system pairs with a Bluetooth smartphone app. When your phone is detected nearby, the Ghost III disarms automatically, so on most mornings you won't need to think about it at all. Prefer a physical alternative to your phone? The optional Autowatch Ghost TAG works in exactly the same way, simply keep it on your person and the car starts as normal. If neither is available, your PIN sequence is always there as a fallback. A built-in Service and Valet mode also lets you hand the car to a garage or valet without ever revealing your sequence, and smart immobilisation means factory remote functions such as pre-heating and cooling still work through your manufacturer's own app.
A Long-Term Investment in Vehicle Security
Should you ever change vehicles, the Ghost III can be professionally removed and refitted to your new car, making it a long-term investment rather than a one-off purchase. There are no subscriptions, no ongoing fees, and no dependency on a third-party network. Once it's in, it works.
Ghost III Immobiliser Key Features
- Support for high-speed CAN-FD, ready for the newest vehicle platforms
- Installed in approximately two hours
- Fitted at a location to suit you, including home or workplace
- No wires cut during installation
- Simple four-button PIN sequence
- Fully customisable code, changeable at any time
- Bluetooth smartphone app included
- Optional Ghost TAG for keyless disarming
- Service and Valet mode for garage visits and handovers
- Install and forget daily operation
- Dedicated phone support
- Suitable for keyless entry vehicles
- May qualify you for a reduction on your car insurance premium
- Installed by TASSA approved engineers
- Transferable to another vehicle
- No ongoing subscription costs
Additional Ghost TAGs are available at £59.99 each.
Why the Ghost III Is Built for Modern Car Theft
Car theft in the UK has evolved. Today's thieves don't smash windows or hotwire engines; they exploit the very technology built into modern vehicles. Relay devices amplify your key fob signal from inside your home, ghost it to a waiting accomplice outside, and your car is gone in seconds. No force, no noise, no trace.
Protection Where Factory Security Ends
The Ghost III was built specifically to counter this. Where factory security ends, the Ghost III begins, sitting silently within your vehicle's existing electronics and adding a layer of protection that thieves have no framework to defeat. There's nothing to scan, nothing to clone, and no signal to intercept. It doesn't announce itself, because it doesn't need to. Built on an all-new high-speed processor with full CAN-FD support, it's engineered to protect the newest vehicle platforms as readily as it does older ones.
Effortless Everyday Operation
What makes the Ghost III particularly well-suited to modern driving is how little it asks of you. Once you're familiar with your sequence, disarming it becomes second nature, no different to putting on your seat belt. For those who'd rather not think about it at all, pairing via the app or TAG means the car simply starts, every time, without any extra steps.
Long-Term Value and Insurance Benefits
It's also worth considering the longer-term value. A Ghost III stays with you rather than the vehicle, transferable when you change cars, removable without permanent modification, and increasingly regarded by insurers as a meaningful security upgrade for high-risk or high-value vehicles. For many drivers, the peace of mind alone is worth far more than the one-off cost.
Suitable for Every Type of Vehicle
Whether you drive a keyless entry SUV, a high-performance saloon, or a workhorse van, the Ghost III provides a level of protection that factory security was never designed to offer. It won't make your car impossible to tow, but it ensures that wherever it ends up, it isn't going anywhere under its own power.
