1994 Chevrolet Astro Owner's Manual - Page 114

The digital odometer will read ERROR if someone tries to turn back. it You may wonder what happens your vehicle needs a new odometer if installed. If the new one can be set to the mileage totalof the old odometer, then it must be. But if it can't, then it's set zero, and alabel must be put at on the driver's door to show the old mileage reading when the new odometer was installed. Trip Odometer Standard Cluster Digital Cluster m The trip odometer can tellyou how far your vehicle has been driven since you last set the trip odometerto zero. To reset the trip odometer on the standard cluster, press the button near the readout. The tripodometer on the digital will appear in place your regular of odometer when you press the TRIP button. To reset the trip Odometer on the digital cluster, press the RESET button. To change back to the regular odometer, press the TRIP button again.