Prior to starting the car press and hold down the left scroll (return) button on the steering wheel. Start the car while holding down the button. Once the car is started you can let go of it. This will put it into "engineering mode" and give you a large list of availble items to look at while driving (AFM, Throttle position, battery charge, etc.). Scroll through the list using the left scroll button and press it to look at the option.
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