Click the ‘Estimate Tax Due on a Vehicle’ button at the center of the home screen or the ‘Estimate Tax Due on a Vehicle’ link under the Vehicle Inquiry section. Enter the type of vehicle and then the required information (e.g., VIN, salvage status, odometer reading, purchase date/price). Additionally, enter any trade-in vehicles that you would be reporting. Then click ‘Get Estimate’. The estimated tax due is displayed.