Ducati Diavel Owners Manual: Trip 1 meter
This function shows the distance travelled since the trip meter was last reset (in km or miles depending on the specific application).
Holding the button (1, fig. 14) 
pressed for 3 seconds
when this function is displayed resets the trip meter.
When the reading exceeds 9999.9, Distance travelled is reset and the meter automatically starts counting from 0 again.
If the system measurement units are changed at any moment through the "set units" function of the setting menu, or if there is an interruption in the power supply (battery off), the distance travelled is reset and the count starts from zero (considering the newly set unit of measurement).
Note
When this value is reset, also the "average fuel consumption", "average speed" and "trip time" functions are reset.
Total distance covered indicator: "odometer"
This function shows the total distance covered by the vehicle
(in km or miles depending on the specific application).
At key-on the system automatically enters this function.
The odometer readi ...
Trip 2 meter
This function shows the distance travelled since the trip
meter was last reset (in km or miles depending on the
specific application).
Holding the button (1, fig. 14) ?
pressed for 3 seconds
w ...
Other materials:
Checking and topping up coolant level
Check coolant level in the expansion tank on the right side of
the vehicle.
Steer the handlebar completely to the left and check that the
level is between the min and max marks on the side of the
expansion reservoir.
Top up if the level is below the min mark.
Unscrew the filler plug (1) ...
Limitations
This emission control system warranty shall not cover any
of the following:
Repair or replacement required as a result of
Accident,
Misuse,
Repairs improperly performed or replacements improperly
installed,
Use of replacement parts or accessories not conforming
to ducati specifi ...
Removal of the tail light
Disconnect the connectors (a) and (b) of the tail lights (1) and (13).
Loosen the screws (4) and slide the tail lights (1) and (13) to the rear side;
recover the four spacers (3) and the washers
(14).
...