There are no fees to accommodate same-day Ignition Interlock installations. To find out the exact Ignition Interlock price in your state, call (800) 831-3299 . A Smart Start Program Advisor will help you determine the exact amount for your area of residence, but know that we always strive to give you the best value and the lowest cost in your total Ignition Interlock package. Get in touch with a program advisor today!