On x2 there is a secret menu. Hold down your trip reset button for about 10 seconds. A menu comes up. Each reset button hit scrolls, long press selects.
At the bottom there is a secret menu option with password. Password is last 5 of your vin added together, mine was 20 for example. Each press adds a number.
In the secret menu there are multiple choices including temperatures and a correction option, not sure if it’s speed or what, didn’t go in there.