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:
Running-in recommendations
During the running-in period for the first 1,000 km, it is advisable to drive
your new vehicle using the following precautions as a guideline to aid long life
as well as future economy and perform ...
Waxing
Waxing the vehicle will help prevent the adherence of dust and road chemicals
to the paintwork. Apply a wax solution after washing the vehicle, or at least once
every three months to assist displa ...
Cleaning the outside of your vehicle
If the following is left on your vehicle, it may cause corrosion, discolouration
and stains, wash the vehicle as soon as possible.
Seawater, anti-freeze for road use.
Soot and dust, iron powde ...