Short answer: for everyday routine maintenance, those cameras and sensors usually don't add much — but when something gets bumped, cracked or replaced, they can definitely add to the bill. So it's not pure hype, but it's also not a hidden tax on every oil change.
On the routine side, the sensors themselves generally need no scheduled service. There's no fluid to change, no filter, no periodic "sensor tune-up." Your normal maintenance schedule — oil, brakes, tires, fluids — is essentially unaffected by whether the car has lane-keeping and automatic braking. What you do take on is a bit of owner responsibility: keeping the windshield and bumper areas clean, and not letting mud, snow or bug splatter block a camera or radar. Some systems will simply switch off and show a warning when they can't see, which can feel like a fault but isn't a repair. One practical point: a small windshield chip that used to be a cheap fix can be more consequential if a crack forms right in front of the forward camera. Repairing chips early is worth doing.
The real cost shows up after damage. AAA's 2023 study on ADAS repair costs found that advanced driver assistance systems can add up to about 37.6% to a repair bill after a crash, because components must be replaced and then recalibrated. In their sample, individual ADAS component costs ranged from roughly $290 to about $1,596 including parts and labor, and the windshield scenario — transferring camera hardware to new glass and calibrating it — averaged about $360, roughly a quarter of that repair's total. Note those are study averages from specific vehicles and labor rates, not a quote for your car, and prices vary a lot by model and region.
The key thing to understand is calibration. When a windshield is replaced, a bumper comes off, or a front-end repair happens, a camera or radar may be shifted by a fraction of a degree, so it has to be realigned and verified. Shops quote this anywhere from a couple hundred dollars to $600 or more depending on the vehicle and whether it needs a static setup (targets in a bay), a dynamic drive, or both. Skipping it can leave features working poorly or not at all, sometimes without a warning light.
A few sensible habits: keep comprehensive coverage with a deductible you can actually afford, since glass claims are the most common place this hits; ask upfront whether an estimate includes calibration; and ask whether aftermarket glass is acceptable for your car's camera bracket, since some vehicles are fussier than others.
I can't tell you what your specific car will cost without the year, make and model — if you share those, I can point you to the right questions to ask your shop.
