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Diesel Exhaust Fluid (DEF) also known as AdBlue™, is a non-toxic, colourless, odourless and non-flammable fluid. Stored in a dedicated tank in your car, it is injected into the exhaust system to clean exhaust gases. Selective Catalytic Reduction (SCR) technology is fitted to all Land Rover diesel vehicles from 2016 Model Year. It enables Land Rover to meet EU6 emissions legislation by reducing the levels of nitrogen oxide (NOx) emitted from the exhaust system by up to 90%. In addition to a new generation of catalytic converter, SCR Technology requires the use of DEF.

Def Adblue low level warning on dashboard


The message centre displays a series of messages when the DEF level becomes low. 

1. The first message states that the DEF level is at a level where a top up is advised 

2. The second message is accompanied by an AMBER warning icon and states to refill the DEF tank 

3. The third message starts a countdown of the distance remaining until the DEF tank is empty, after which the vehicle will fail to start 

4. The final message is accompanied by a RED warning icon and is displayed when the distance remaining is zero and states that no further restarts will be possible until DEF is added to the tank


It is important that your Land Rover’s supply of DEF is maintained, as EU legislation means that you cannot start the engine without it. Your car’s message centre will give you advance warning when your DEF level is low and will alert you in plenty of time to book a refill.

For mid-service Top-Ups, we are now offering an AdBlue™ refill for £29.99 RRP to manufacturers recommended fill-level, regardless of the amount required*. If you have purchased a Land Rover Service Plan you can get a free refill from your local Retailer. Please see terms below.

*Offer available at participating Land Rover Retailers / Authorised Repairers. Fee for DEF / AdBlue™ check and top up to manufacturer fill level is £29.99 RRP per vehicle on a single visit. Eligible on Land Rover vehicles only. Please contact your Retailer to book in advance to avoid disappointment.


Range Rover

Range Rover

Range Rover Sport

Range Rover Sport

Range Rover Evoque

Range Rover Evoque

All-New Discovery

All-New Discovery

Discovery 4

Discovery 4

Discovery Sport

Discovery Sport

The distance until your next DEF refill can be viewed at any time in the message centre on the dashboard*. Follow these simple steps:

1. Switch on the ignition, but do not start the engine (Check that a valid smart key is inside the vehicle and ensure that the brake pedal is not pressed. Hold down the engine START/STOP button until the instrument panel warning lamps illuminate)

2. Press the OK button on the steering wheel control to access the Main Menu (On some models, repeatedly press the OK button until Driver Assistance is displayed)

3. Using the down arrow button on the steering wheel control, scroll down and highlight Vehicle Info

4. Press the OK button to confirm selection

5. Scroll down to highlight Diesel Exhaust Fluid (On some models this is displayed as Next Service)

6. Press the OK button to confirm selection. The DEF range is then displayed

*Not all vehicles are equipped to display the above information. Contact your Land Rover Retailer/Authorised Repairer for clarification.

The consumption of DEF can vary greatly. An average consumption rate can be 500 miles (800 km) / 1 Litre, but this consumption rate can be more than doubled, depending on the driving style, road and weather conditions.

Should you run out of DEF your Land Rover will not re-start after you switch off the engine – this is a requirement of EU6 emissions legislation. The tank will need to be refilled with a minimum of 3.6 litres of AdBlue® before the vehicle will start.

Yes, you can purchase 1.89 litre non-drip bottles of AdBlue® from your local Land Rover Retailer/Authorised Repairer to refill the tank yourself. These bottles have been specifically designed for ease of use and to prevent any dripping. We do not recommend refilling the tank using any other type of container.

Do not pour any other liquids into the DEF tank or DEF that does not meet the standard ISO22241-1 or DIN 70070 as this will compromise the correct operation of your vehicle.

If you pour DEF into your fuel tank by mistake, DO NOT start the engine, and call your local Land Rover Retailer/Roadside Assistance immediately.

Commercial vehicle AdBlue® pumps at fuel stations must never be used because the flow rate is too high and this will damage the vehicle’s DEF tank.

Refer to your Owner’s Handbook for instructions on how to refill your DEF tank.

Although DEF is non-hazardous, should it come in to contact with any part of your body, or it is ingested by accident, please refer to the advice on the packaging and seek medical advice. If DEF comes into contact with your Land Rover’s paintwork, simply wipe it off, and rinse the area with soapy water. However, DEF can stain upholstery and clothing – if spilt, DEF should be removed immediately using cold water and a damp cloth.

Always store DEF in its original container, and please observe the manufacturer’s storage and handling recommendations shown on the bottle. DEF should never be stored in the vehicle.

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*Offer available at participating Land Rover Retailers / Authorised Repairers. Fee for DEF / AdBlue® check and top up to manufacturer fill level is £29.99 RRP per vehicle on a single visit. Eligible on Land Rover vehicles only. Please contact your Retailer to book in advance to avoid disappointment.

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