Posted 4/5/2024 06:38 (#10694395 - in reply to #10693806) Subject: RE: Tesla Brake Light Question
SW OH
My work truck is a 2019 T440 with an Allison. Not a Jake brake, but it does have a braking function that turns on the engine fan and changes the downshift parameters when you are off the accelerator. It does turn on the brake lights as well.