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TezLab Screenshot 1
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About TezLab

TezLab is a companion app for Electric Vehicles (EV). Track every trip you take in your car, compete against your friends on various metrics like distance traveled or efficiency. Control your car's climate, max charge level, and more within the app.

It's the app your EV deserves.

A qualified electric vehicle is required to use TezLab.

Terms of use:
Privacy Policy:

Disclaimer: This software and documentation are not provided or endorsed by the makers of the electric vehicles. Use TezLab at your own risk. TezLab uses some of the same interfaces used by the official EV apps, however, those interfaces are undocumented and unsupported by the EV makers and HappyFunCorp cannot guarantee proper operation of TezLab. You are responsible for any changes to your car by using TezLab (car controls) as TezLab can unlock the car, and perform other functions on the car. HappyFunCorp is not liable for any damages to you, your car or any other object in conjunction with the use of this app.

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Great app although it doesn't seem to support UK currencies etc, or at least I can't see how to set them.
Bill Peden
Works great. Just the Casselman Supercharger is missing. Also the gas/electric price box is very fussy (glitchy) Window vent/close showed open right away. Wouldn't change to closed. Honk, flash, sentry, set ...
Joe Putz
An excellent app for tracking Tesla EV usage, efficiency, and battery health!
Michael Pfetsch
Great app. Love the information about my tesla.
Jesse Kissee
Please add the Electricity cost in addition to gaz saving
farhat Sam
Great App and Great Support!
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