Suzuki Nexa S-CROSS series 2015 Owner's Manual & Service Booklet page 212

NOTE:
When there are fewer than 6 stations that can be stored even if 1 round of auto store operation is performed, no station will be
stored at the remaining preset buttons.
Press to return to the last received frequency
in the previous auto store mode.
Press it for 2 seconds or longer. It selects the
stations with the stronger signals and stores
them in order.
VOL - TUNE / FLD VOL +
SEEK SEEK
ENT
TRACK TRACK
Press to select the radio station.
TUNE / FLD
1 2 3
MENU
4 5 6
RPT RDM DISP
MODE AS SOUND
Press to select the desired preset station.