See also:

Temperature A, B, C
The temperature grades are A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specif ...

How to play back
Press the button and select the “BTA” (type C audio)/“BT Audio” (type D audio) mode. ...

FM/AM radio operation
Press the “FM” or “AM” button when the radio is off to turn on the radio. ...