how much is an ignition interlock device cost
Ignition interlock devices must be purchased or rented from private companies, and usually cost anywhere from $65 â $100+ per month. Some companies charge additional fees for installation, and often a deposit is required.gnition interlock devices must be purchased or rented from private companies, and usually cost anywhere from $65 â $100+ per month. Some companies charge additional fees for installation, and often a deposit is required.