2019 Toyota Highlander SE AWD
Several hours after my vehicle is shut off, I noticed what sounds like a tiny air compressor sound will inexplicably come on for my 2019 Highlander SE. I only notice as I hear it when I go out to my garage for another reason. It literally sounds like a small air compressor coming from around the muffler area under the vehicle. Once I put the vehicle into Ignition On mode, it turns off and stays off. Has anyone run into this issue? This has happened twice (I have had the vehicle for a month) and I am concerned it will drain the battery if I don't happen to hear it and/or the vehicle is not in my quiet garage. Anyone experience something similar?