Go into TDUPE (download it if you haven't already, a must for people who use mods) and then load the car that the sound mod is for. Then go to the "Miscellaneous" tab and you'll find in the top middle of the page four numbers with "Ignition time" next to them; the top one is the one you are looking for (Ignite, or to start the car). Then just simply type the number that is given for that particular sound mod.
Then hit save car, and then save all changes, and you're done!
Hope this helps, sorry it's not in Russian because I'm from America.
Oh, and I also recommend writing down or typing in a text document the original ignition time for the car, incase you don't like the mod or otherwise (I recommend putting the text document with the original ignition time in it inside the folder where you keep the original backup sound mod if you did ;) )