Originally Posted by rmeir
presets well radio obviously but i put in my main phone contacts. hit the button it dials home simple.
You can also use the presets to return to specific areas in Settings, like Trip Computer or Onboard Info. Incredibly more useful that way, since fewer people use the built-in FM/AM radio nowadays.
I only recently discovered that the car charger would work even with the vehicle powered off. It seems like there's always something new to find.