Active chassis system–Four C

See also:
Average speed
The system calculates the average speed from
the last resetting. Reset using RESET. ...
Working on your vehicle
Note the following before you begin working
on your vehicle: ...
Unleaded fuel
Each Volvo has a three-way catalytic converter
and must use only unleaded gasoline. U.S. and
Canadian regulations require that pumps delivering
unleaded gasoline be labeled "UNLEADED". ...
