2009 Buick LaCrosse Owner's Manual - Page 172

There is also a retroactive trip odometer function that performs the following for each trip odometer: • If the vehicle's speed has exceeded 3 mph (5 km/h) during the current ignition cycle, this function will set the trip odometer to the distance driven during the current ignition cycle. • If the vehicle's speed has not exceeded 3 mph (5 km/h), this function will set the trip odometer to the distance driven during the previous ignition cycle plus the distance driven during the current ignition cycle. Press and hold the set/reset button on vehicles with the uplevel DIC or the trip/odometer button on vehicles with the base level DIC for three seconds, then release the button. The retroactive trip odometer value will be set into the currently displayed trip odometer. Once TIME ELAPSED :00 is displayed, press the set/reset button on vehicles with the uplevel DIC to start the timing feature. Press the set/reset button again to stop it. If you will be starting and stopping your vehicle, during a trip for instance, the TIME ELAPSED feature will automatically start timing where it left off when you last stopped. To reset it, press and hold the set/reset button for about 1.5 seconds. The display will return to zero. Press the trip/odometer button to exit from the TIME ELAPSED display. Average Speed (Uplevel Only) Press the trip/odometer button until AVERAGE SPEED displays. This mode shows the average speed of the vehicle in miles per hour (mph) or kilometers per hour (km/h). This average is calculated based on the various vehicle speed recorded since the last reset of this value. To reset the value, press the trip/odometer button to display AVERAGE SPEED, then press and hold the set/reset button on vehicles with the uplevel DIC. The display will return to zero. Time Elapsed (Uplevel Only) Press the trip/odometer button until TIME ELAPSED :00 displays. This mode is like a stopwatch, in that you can clock the time it takes to get from one point to another. Each of the fields for the hours, minutes, and seconds are two numeric digits. 3-50