You’ve heard of Automatic, but if $80-$100 is too rich for your blood, this cheap OBD2 dongle connects to any iPhone or Android device over Wi-Fi, and can fulfill many of the same functions with various third party apps. Even if you don’t need it for yourself, this would make a nice, easy gift. [Etekcity Wi-Fi OBD2 Smart Car Diagnostic Scanner/Code Reader, $17 with code WIFIOBD2]
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