Kobra Wi-Fi OBD2 Scanner | $13 | Amazon | Promo code AK8ODKFD
Kobra Bluetooth OBD2 Scanner | $8 | Amazon | Promo code 7MKYUVKJ
Kobra Corded OBD2 Scanner | $13 | Amazon | Promo code TLWG7O8M

The computer in your car is a treasure trove of information about gas mileage, engine performance, maintenance issues, and more, but without an OBD2 scanner, most can only communicate with you through the primitive language of dashboard warning lights.

Luckily, three such scanners from Kobra are on sale right now, including some wireless ones that sync to your phone and work with third party apps to track and record anything and everything about your car.

The Bluetooth model will only work with Android, but the Wi-Fi one supports iOS as well. There’s also an old-fashioned code checker on sale, if that’s all you’re really interested in.