To activate the steering wheel and speedometer needle, you need to install RIV v1.2
After installing RIV v1.2 and auto, you need to find out the serial number of the auto, which can be obtained during the game while in this auto and pressing the N key. When the value is received (in the upper left corner of the monitor), without turning off the game, minimize it and enter the folder with the installed game, open rivsets.csv in the scripts folder using notepad. Then find this line: Mercedes_SLK_2012_Slyde,XXXXXXXXX,3,2,4,0.0095,9 and instead of XXXXXXXXX enter the resulting order of numbers.
Attention! If such a sign "-" (without quotes) is indicated before the numbers, this means that it will also need to be entered.