Pick of the Day: Automatic Connected Car Adapter and Engine Diagnostics

A tiny device and free app that works via Bluetooth to diagnose engine problems, display trip logs and mileage, or call for help.

What Is It: A tiny device that works with almost any car. It transmits helpful data to you via a free app.

Why It’s Smart:

• Can diagnose engine problems

• Calls for help if there is a crash

• No subscription fees

• Lets you decode your check engine light

• Can be used to supervise teen drivers

• Allows you to analyze mileage and performance

Where to Buy: Available on Amazon.

(Photo: Automatic)

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By Caroline Morse Teel

Unfortunately for her bank account, Principal Editor Caroline Morse Teel is powerless to resist a good flight deal. Follow her on Instagram @TravelWithCaroline.

Caroline joined Boston-based SmarterTravel in 2011 after living in Ireland, London, and Manhattan. She's traveled to all seven continents, jumped out of planes, and bungeed off bridges in the pursuit of a good story. She loves exploring off-the-beaten path destinations, anything outdoorsy, and all things adventure.

Her stories have also appeared online at USA Today, Business Insider, Huffington Post, Yahoo, Boston.com, TripAdvisor, Buzzfeed, Jetsetter, Oyster, Airfarewatchdog, and others.

The Handy Item I Always Pack: "Earplugs. A good pair has saved my sleep and sanity many times!"

Ultimate Bucket List Experience: Hiking Mount Kilimanjaro.

Travel Motto: "Don't be boring."

Aisle, Window, or Middle Seat: "Aisle (when the first class private suite isn't available)."

E-mail her at cmorse@smartertravel.com.