This just started happening to me out of the blue—it always seems to think I'm right at home no matter where I am and have to drive a few blocks for it to update.
I'm assuming CarPlay takes the car's GPS coordinates (iirc for wireless CarPlay it's part of the spec) as my phone is correct until CarPlay activates.
I'm assuming CarPlay takes the car's GPS coordinates (iirc for wireless CarPlay it's part of the spec) as my phone is correct until CarPlay activates.