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PURE methodology applied to the Tesla Model 3 user interface

PURE methodology applied to the Tesla Model 3 user interface


“With that big screen, I don’t know how people don’t get distracted.”
“What’s that screen doing sticking out there?”
“I would stress out if I was supposed to be aware of the screen and drive!!!”

I have heard many times people comment such things very often when talking about the Tesla Model 3 and its 15 “screen. This, is the connection point between the vehicle and the user, there is not a single button on the dashboard, that is the main reason for me to analyze how Tesla has done it to make life easier for the driver and passengers.

What methodology have I used to test usability?

I must say that it is not a substitute for usability tests, but it serves to identify problems.

How does the PURE method work?

A scale of 1 to 3 is established. The higher the score is, the more difficult to perform that task. A color code is established, green (1 point) for simple tasks, yellow (2 points) for a medium ·cognitive load·, which can be done with some effort, and red (3 points) for the task that creates confusion and sometimes it is not possible to carry it out.

The PURE score of the task is the sum of the grades obtained in each step. The final color will be determined by the worst grade obtained in any step of the task.

1. Identify the user

2. Tasks

This user will also adjust the acceleration, since it can reach 100 km/h in 3.7 seconds it is advisable to set the driving mode “chill”, steering wheel hardness and regenerative brake and stop options.

It is also considered to want to customize the air conditioning and heated seats as well as playing music.

3. The happy path

First of all, I want to apologize for the quality of the screens, I wish they had been better.



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