See also:

Disabling the remote control (front)
The IR transceiver for the front screen can be switched off, which means that the remote control cannot be used on the front screen. This function can be activated under RSE settings Disabl ...

Use of Additives
With the exception of gas line antifreeze during winter months, do not add solvents, thickeners, or other store-bought additives to your vehicle's fuel, cooling, or lubricating systems. Overus ...

Engine and cooling system
Under special conditions, for example when driving in hilly terrain, extreme heat or with heavy loads, there is a risk that the engine and cooling system will overheat. Proceed as follows to a ...