Yes but you don’t see or hear anything - it is implied when she says “Can you stop the car please” and she gets out and walks away and then comes back dabbing her face with a handkerchief.
One of the main characters enters willingly into treatment at a rehabilitation facility for his addiction issues. The medical professionals and facility are depicted as positive and supportive.
For those wondering it is a suicide by hanging. It's shown in pretty graphic detail including preparation and the body hanging while a dog is nearby. Intense stuff especially if that's a potential trigger.