Proof that holding the remote to your head extends the car remote range

Your chest cavity acts as a resonant chamber for the frequency use by the remote control, amplifying the signal. Scroll down the page for the longer answers with more detail.

https://physics.stackexchange.com/questions/101913/why-does-a-remote-car-key-work-when-held-to-your-head-body

https://youtu.be/BXhaUCMBDMU

https://youtu.be/3yq0-7mFyc0