Land Rover Discovery: Engine

 Diesel exhaust fluid (DEF)

In order to comply with exhaust emissions requirements, some vehicles with diesel engines are fitted with a reservoir containing Diesel Exhaust Fluid (DEF). In some markets, DEF is known as AdBlue, AUS 32 and ARLA 32. Note: It is a legal requirement that the DEF system is used correctly, as detailed

 Fitting the detachable tow ball

Remove the protective cover from the vehicle mounting and stow it in the tow ball stowage area. The tow ball can only be installed when the locking lever is in the unlocked position (red showing). Insert the tow ball into the mounting and push firmly upwards until the tow ball locks into