From page 108 of the electronic manual
1. Select this function from the
SETUP MENU for the current
display mode.
2. Press and hold the
SELECT/RESET control switch to
reset oil change.
3. Press the SELECT/RESET control switch for the next SETUP MENU
item or wait for more than 4 seconds to return to the INFO MENU.
Note: Oil Life Start Value of 100% equals 5,000 miles (8,000 km) or
180 days. For example, setting Oil Life Start Value to 60% sets the Oil
Life Start Value to 3,000 miles (4,828 km) and 120 days.