Tesla Y 2019 Owner's Manual page 117

• One or more of the ultrasonic sensors (if equipped)
or cameras is damaged, dirty, or obstructed (such as
by mud, ice, or snow, or by a vehicle bra, excessive
paint, or adhesive products such as wraps, stickers,
rubber coating, etc.).
• Weather conditions (heavy rain, snow, fog, or
extremely hot or cold temperatures) are interfering
with sensor or camera operation.
• The sensors (if equipped) are affected by other
electrical equipment or devices that generate
ultrasonic waves.
NOTE: Smart Summon is disabled if Model Y is in Valet
mode (see Valet Mode on page
WARNING: The list above does not represent an
exhaustive list of situations that may interfere with
proper operation of Smart Summon. It is the
driver's responsibility to remain in control of Model
Y at all times. Pay close attention whenever Smart
Summon is actively moving Model Y and stay
prepared to take immediate action. Failure to do
so can result in serious property damage, injury or
death.
Autopilot
47).
Smart Summon
115