This warranty administration bulletin offers plan info on the requirements for 12V battery tests and warranty replacements. Go through A lot more » This Preliminary details communicates a concern with inadequate heater efficiency and advises dealerships to examine the heater core inlet and outlet hoses for becoming twisted or kinked. https://californialemonlawcenter.com/lemon-law-advice-for-transmission-faults-with-the-2019-2023-gmc-yukon/