See also:

MT models
The key can be turned from “Acc” to “LOCK” only when the key is pushed in while turning it. ...

Displaying radio PS (Program Service Name) and RT (Radio Text)
...

Battery
WARNING ● Before beginning work on or near any battery, be sure to extinguish all cigarettes, matches, and lighters. Never expose a battery to an open flame or electric sparks. Batteries gi ...