Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Reverse traffic detection

The Reverse Traffic Detection (RTD) system is a supplement to, not a replacement for, safe driving, good observation and use of the exterior and rear-view mirrors.

Note: RTD is automatically disabled when a trailer is connected and when Park assist is active.

In addition to the functionality provided by the Rear camera, the RTD system provides a warning to the driver of any moving vehicle, at either side, that may pose an accident risk during a reversing manoeuvre.

Reverse traffic detection

  1. The amber warning icon flashes in the relevant exterior mirror and an audible warning tone is emitted to indicate the presence of a moving vehicle.
  2. When RTD is disabled, an amber dot displays in both exterior mirrors.
  3. The Rear camera screen, or the Parking aid screen, displays a warning icon on the relevant side(s) of the screen.

To switch between the Rear camera and the Parking aid screen, touch the camera image or the Cameras icon, accordingly.

The system can be enabled or disabled via the Instrument panel menus.


The RTD system automatically disables if any of the sensors become partially or completely obscured. The amber warning indicator dot illuminates in the exterior mirrors and the message Reverse Traffic Sensor Blocked appears in the Message centre.

Check that there is nothing obscuring the rear bumper and that it is clear from ice, frost, snow, mud, and dirt.

If a fault with a radar sensor is detected, an amber warning indicator dot illuminates in the exterior mirrors and the message Reverse Traffic Detection System Not Available displays in the Message centre.

Note: Even if the detected fault affects the radar sensor on only one side of the vehicle, the whole system is disabled. If the fault is temporary, the system operates correctly once the engine is switched off and then on again.

If a fault occurs, consult a Retailer/ Authorised Repairer.


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