See also:

Category selection
To activate the category search mode, press the “PTY/CAT” button. To deactivate the category search mode, press the “PTY/CAT” button again. When in the category search mode, pressing the “FOLDE ...

Adjustable level of each volume
...

Low tire pressure warning light (U.S.-spec. models)
When the ignition switch is turned to the “ON” position, the low tire pressure warning light will illuminate for approximately 2 seconds to check that the tire pressure monitoring system (TPMS) ...