What does AST mean in a car?

[MacAlessandra]

AST in a car stands for Automatic Station Memory, which means the radio can automatically search and store stations using this button. When using autoscan, it automatically memorizes the frequencies of stations with signals, allowing you to select stations by pressing the button later. Holding this button down automatically stores radio stations. The radio is a voice entertainment feature in cars and one of the common configurations in the vehicle's audio-visual entertainment system. Other buttons and functions of the car CD player: 1. POWER, VOL: Press to turn on/off, rotate to adjust volume; 2. TPK, MANU: MP3 track selection and browsing; 3. RPT: Repeat playback in CD/USB mode; 4. INT: Browse playback in CD/USB mode; 5. RDM: Random playback in CD/USB mode; 6. AUXINUSB: USB player interface, standard 3.5mm audio interface; 7. MEMU: Enter MP3 folder selection mode in CD/USB mode.