The online servers for both NASCAR Heat 2 and 3 are said to be closing this April 30th, this of course will only affect the online aspect of the game.
NASCAR Heat 2 was officially released back in 2017 for the PC, Playstation 4 and XBox One, whereas NASCAR Heat 3 was originally released back in 2018.
So of course the games are rather old now, in fact as I type this we are now on NASCAR Heat 5 and well simply put, all good things must come to an end sooner or later.
This as previously mentioned will only affect the online mode of the game and thus anyone who may still be enjoying the games can still do offline, of course.
The announcement of the server closures came from the official NASCAR Heat Twitter channel which mentioned the following;