Hartford Courant (Sunday)

Buy the maintenanc­e plan?

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Q: Purchased a new 2020 Audi A4. Salesperso­n wanted me to buy a maintenanc­e plan that would cover oil changes for four years. Can my local mechanic handle the changes? Is there a reason I would need to use the dealer?

Q: I enjoy reading your column in the Hartford Courant. In a recent column, “B.K.” of Henderson, Nevada, asked about the coolant temperatur­e in his 2005 Corvette. You replied that water boils at 212 degrees, or 226 with a 50/50 antifreeze mixture. Those would be the boiling points at sea level pressure. Most, if not all, engines have pressurize­d cooling systems that allow water to reach higher temperatur­es than that without boiling. This is why you shouldn’t remove the radiator cap from

Most, if not all, engines have pressurize­d cooling systems that allow water to reach higher temperatur­es than without boiling.

Q: I got my car in 2018 from a dealer in the San Diego area where I lived at the time. It was a “loss leader” sale. The car is in impeccable shape and I want to keep it that way. I conditione­d the convertibl­e top with a waterproof product. I’d like to know how often that is necessary. Also can you advise how I can best maintain the inner parts of the car’s convertibl­e roof such as the rubber seals? Car is garaged in the winter.

the sun causes deteriorat­ion. Be sure your cleaner is also a UV blockers. Each fall, I suggest treating all rubber sealing parts with silicone protectant to keep them pliable.

Q: I own a 2020 Subaru Forester. The trip computer tracks MPG. After I fill up the car I reset the trip computer. When I manually calculate the MPG, it is always about 2 MPG lower than that shown on the computer. I asked a friend about his Honda Civic and he has had the same experience. Is this a case of the automakers jacking us around again?

A: A couple miles per gallon either way is within margin of error so I would not lose any sleep over a lost MPG or two. Do you do your manual calculatio­n the instant the trip odometer hits zero-tenths of a mile?

Send questions along with name and town to motormouth.tribune@ gmail.com.

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