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:
If the warning display appears while driving
1. Stop the vehicle in a safe place and turn off the engine.
2. Wait approximately 30 seconds and then restart the engine to check whether the
warning display goes out; if it then remains off, ther ...
Economical driving
For economical driving, there are some technical requirements that have to be
met. The prerequisite for low fuel consumption is a properly adjusted engine.
In order to achieve longer life of the ve ...
Auto Stop & Go (AS&G) system
The Auto Stop & Go (AS&G) system automatically stops and restarts the engine
without operating the ignition switch or the engine switch when the vehicle is stopped,
such as at a traffic li ...