| 摘要 |
<p>Advice on fuel efficiency is provided for each driving operation. A storage is provided for, for each driving operation to be performed by a driver of the vehicle and each state of fuel efficiency corresponding to each driving operation, storing at least one advice message indicating an advice about the state of fuel efficiency. For each driving operation performed by the driver of the vehicle, a state of fuel efficiency of the vehicle according to the performed driving operation is determined. In response to any driving operation being selected on a predetermined display screen, the storage is referred to based on the selected driving operation and the determined state of fuel efficiency for the selected driving operation to read and display an advice message corresponding to the selected driving operation and the determined state of fuel efficiency. For each driving operation, a driver can receive an advice on the fuel efficiency of his/her driving operation.</p> |
