Tesla MODEL X 2021 Owner's Manual page 72

Lights
Hazard Warning Flashers
To turn on the hazard warning flashers, press
the button on the drive mode selector located
at the front of the center console. All turn
signals flash. Press again to turn off.
NOTE: Hazard warning flashers operate even
without a key nearby.
70
When a turn signal is
operating, the
corresponding
indicator lights up on
the instrument panel
and you can hear a
clicking sound.
MODEL X Owner's Manual