Ron Ananian, The Car Doctor - August 29, 2026

How many scan tools does it take to fix one car? Sometimes more than you think.

Ron Ananian, The Car Doctor, takes you into the service bay with a 2022 Honda HR-V that came in for routine maintenance and turned into a lesson about just how complicated modern auto repair has become. After service and resets, the TPMS and traction-control warnings wouldn’t cooperate. Multiple aftermarket scan tools couldn’t complete the necessary calibration—but access to the Honda factory-level tool finally got the job done.

Ron explains why today’s independent repair shop needs more than one scan tool, why factory-level access is becoming increasingly important, and why scan-tool manufacturers need to do a better job of telling technicians the exact conditions required before a calibration or reset can succeed.

Also this hour: Tom tries Ford’s new mobile oil-change service and asks whether convenience can really replace putting a vehicle on a lift in a properly equipped shop. A caller battles a terrible interior odor after an ozone-machine treatment, Ron explains permanent diagnostic trouble codes, and there’s an update on the 1972 Monte Carlo.

Finally, Ron looks at a 95,000-mile used Hyundai for a customer and raises an increasingly important question: With the price and complexity of today’s used cars, is an extended warranty becoming part of the cost of buying one?

Modern cars are complicated. Having the right tool—and knowing how to use it—can make all the difference.

Car Advice, Done Right 

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