Any vehicle with a cooling system that is now a little bit marginal can easily be produced to overheat by switching on the air-conditioning. So the very first thing to try and do is be sure there aren't any leaks in the cooling process, the radiator is just not clogged https://2022toyotahiluxdlx-g24ldo26947.suomiblog.com/2022-toyota-hilux-no-further-a-mystery-44765027