2019 GMC Terrain electrical system problems

Tl* the contact owns a 2019 GMC terrain. The contact stated that when the air condition was activated, there was an abnormal chemical burning odor coming through the vents, causing he and his wife to get headaches. The vehicle was taken to meadowland of carmel GMC (1952 us-6, carmel hamlet, ny 10512) however, was not diagnosed for the failure. The vehicle was not repaired.

Leasing a 2019 GMC terrain technical, within a few days climate off error came on while trying to turn on the AC or heat. Car safety features never alerted with sounds. Service bulletins pit 5663 and pic 6365a, GMC known problems before I signed my lease. Contacted GMC after penske buick GMC, shillington pa, told me there was nothing they could do to fix the climate off error. Pushed an update through to fix the safety no alert sounds.