Graco Pack'n'Play Owner's Manual page 25

FOR ALL ENVIRONMENTS— To turn vibe off, but keep sound,
press vibe off button. To turn sound off and keep vibe on, press
volume down until it is off.
ENVIRONMENT SELECTION BUTTONS— Press
left or right button to choose desired environment.
CAR RIDE ENVIRONMENT— Select for car ride
sound with synchronized vibration.
HEART BEAT ENVIRONMENT— Select for heart
beat sound with synchronized vibration.
STROLLER RIDE ENVIRONMENT— Select
for a sound of a stroll with nature sounds with
synchronized vibration.
LULLABY ENVIRONMENT— Select for lullaby
sound with synchronized vibration.