Subaru BRZ 2018 Owner's Manual page 224

2-2. Instrument cluster
■
Drive information (page 2)
● Pressing and holding
driving time/driving distance.
222
Average vehicle speed
Displays the average vehicle
speed since display was reset.
Driving time
Displays the cumulative time the
vehicle has been driven since dis-
play was reset.
Driving distance
Displays the cumulative distance
the vehicle has been driven since
display was reset.
will reset the average vehicle speed/