2004 GMC Envoy Owner's Manual - Page 172

Odometer Press the trip information button until the odometer appears on the display. This shows the total distance the vehicle has been driven in either miles or kilometers. Pressing the reset stem located on the instrument cluster with the vehicle off will also display the odometer. Timer The DIC can be used as a stopwatch. Press the select button while TIMER is displayed to start the timer. The display will show the amount of time that has passed since the timer was last reset (not including time the ignition is off). Time will continue to be counted as long as the ignition is on, even if another display is being shown on the DIC. The timer will record up to 99 hours, 59 minutes and 59 seconds (99:59:59) after which the display will roll back to zero. To stop the counting of time, press the select button briefly while TIMER is displayed. To reset the timer to zero, press and hold the select button while TIMER is displayed. Trip A and Trip B Press the trip information button until TRIP A or TRIP B is displayed. This shows the current distance traveled since the last reset for each trip odometer in either miles or kilometers. Both odometers can be used at the same time. Each trip odometer can be reset to zero separately by pressing select while the desired trip odometer is displayed. You can also reset the trip odometers with the reset stem on the cluster. If you press and hold the reset stem for four seconds, the display will show the distance traveled since the last ignition cycle. Fuel Information Use the fuel information button to scroll through the range, average fuel economy, instant fuel economy and the GM Oil Life System. 3-52