The speedometer shows the vehicle's speed in both miles per hour (mph) and kilometers per hour (km/h). The odometer shows how far the vehicle has been driven in either miles (used in the United States) or in kilometers (used in Canada).

The vehicle has a tamper-resistant odometer. If ERROR is displayed, this indicates someone has probably tampered with it and the numbers may not be accurate.

You may wonder what happens if the vehicle needs a new odometer installed. If the new one can be set to the mileage total of the old odometer, then that will be done. But if it cannot, then it will be set at zero and a label must be put on the driver's door to show the old mileage reading when the new odometer was installed.