See also:

Misfuel prevention (diesel)
Mechanical device which prevents filling the tank of a Diesel vehicle with petrol. It avoids the risk of engine damage that can result from filling with the wrong fuel. Located in the filler neck ...

Leaving limiter mode
...

Electronic gearbox
The gearbox does not require any maintenance (no oil change). Refer to the servicing booklet for details of the checking interval for this component. ...