Fuel injection amount learning process (diesel-powered vehicles)
To keep exhaust emissions and engine noise low, the engine very occasionally performs a learning process for the fuel injection amount.
The engine sounds slightly different from usual while the learning process is taking place. The change in the engine sound does not indicate a fault.
See also:
Selection of engine oil (petrol-powered vehicle)
(1) Select engine oil of the proper SAE viscosity number according to the atmospheric
temperature. For 0W-30, 5W-30, 0W-40 and 5W-40 viscosity grade, use only ACEA A3
classification. (2) Use eng ...
On a snow-covered or frozen road
(1) When driving on a snow–covered or frozen road, it is recommended that you
use snow tyres or tyre chains. Refer to the “Snow tyres” and “Tyre chains” sections.
(2) Avoid high–speed ...
Ignition switch
To prevent vehicle theft, only the emergency key with the preregistered keyless
operation key inserted can start the engine. (Electronic immobilizer function) Also
refer to “Starting and driving ...