Low Cost Ignition Interlock

Low Cost Ignition Interlock
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20 La Goma St
Mill Valley, CA 94941
M-F 8am-6pm, Sa 8am-3pm, Su Closed

Monday: 
8:00 am – 6:00 pm
Tuesday: 
8:00 am – 6:00 pm
Wednesday: 
8:00 am – 6:00 pm
Thursday: 
8:00 am – 6:00 pm
Friday: 
8:00 am – 6:00 pm
Saturday: 
8:00 am – 3:00 pm
Sunday:  Closed


Low Cost Interlock offers the easiest, cheapest, fastest, most reliable ignition interlock device (IID) for your car. Our ignition interlock system allows you to effortlessly achieve your ignition interlock restriction and get you back on the road. Visit Wonder Car Automotive at 20 La Goma St for the most convenient interlock installation in the Mill Valley, CA area.