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:
General maintenance
Fuel, engine coolant, oil and exhaust gas leakage
Look under the body of your vehicle to check for fuel, engine coolant, oil and
exhaust gas leaks.
WARNING
• If you see a suspicious fuel leak ...
Tachometer
The tachometer indicates the engine speed (r/min).
The tachometer helps you to obtain more economical driving and also warns you
of excessive engine speeds (Red zone).
CAUTION
• When driving ...
During a long period of disuse
The air conditioning should be operated for at least five minutes each week,
even in cold weather. This is to prevent poor lubrication of the compressor internal
parts, and to maintain the air con ...