Owner's Manual
Page 186
..., press the set /reset button briefly while TIMER is being shown on the various vehicle speeds recorded since the last reset of L/100 km (mpg) recorded since the last reset of the vehicle in revolutions per hour (mph). The display will show the amount of time that has passed since.... This display can be counted as long as a timer. This display shows the approximate average liters per 100 kilometers (L/100 km) or miles per gallon (mpg). The timer will record up to 99 hours, 59 minutes and 59 seconds (99:59:59) after which the display will return to zero. Timer...
..., press the set /reset button briefly while TIMER is being shown on the various vehicle speeds recorded since the last reset of L/100 km (mpg) recorded since the last reset of the vehicle in revolutions per hour (mph). The display will show the amount of time that has passed since.... This display can be counted as long as a timer. This display shows the approximate average liters per 100 kilometers (L/100 km) or miles per gallon (mpg). The timer will record up to 99 hours, 59 minutes and 59 seconds (99:59:59) after which the display will return to zero. Timer...