• NO A/C: Only the fan operates when the
cabin temperature exceeds 105° F (40° C).
This option consumes less energy but the
cabin temperature may exceed 105° F
(40° C).
• ON: The air conditioning operates when
the cabin temperature exceeds 105° F
(40° C).
Note: Cabin Overheat Protection operates
only when the energy remaining in the Battery
is above 20%.
Warning: Never leave children or pets in
the vehicle unattended. Due to automatic
shut-o or extreme outside conditions,
the inside of the vehicle can become
dangerously hot, even when Cabin
Overheat Protection is enabled.
Climate Control Operating Tips
• You can direct the face-level vents toward
the windows to help defrost or defog
them.
• When you use the mobile app to turn on
the climate control system, it
automatically turns o after four hours or
if the charge level drops to 20%. To cool
or heat the cabin for a longer period, you
must turn it on again.
• Your charge port latch may freeze in
extremely cold weather or icy conditions.
In cases where you cannot remove or
insert the charge cable, or your vehicle is
not Supercharging due to the latch being
frozen in place, use your Tesla mobile app
to precondition your vehicle on HI for
approximately 30-45 minutes (you must
use your mobile app to precondition the
vehicle; setting your climate to HI using
the touchscreen is not eective). This
helps thaw ice on the charge port latch so
the charge cable can be removed or
inserted. See Cold Weather Best Practices
on page 80 for more information.
• If the climate control system is louder than
you prefer, manually reduce the fan speed.
• In addition to cooling the interior, the air
conditioning compressor also cools the
Battery. Therefore, in hot weather, the air
conditioning compressor can turn on even
if you turned it o. This is normal because
the system’s priority is to cool the Battery
to ensure it stays within an optimum
temperature range to support longevity
and optimum performance.
• Even when not in use, you may hear Model
Y emit a whining noise or the sound of
water circulating. These sounds are
normal and occur when the internal
cooling systems turn on to support
various vehicle functions, such as
maintaining the 12V battery and balancing
the temperature of the high voltage
Battery.
• To ensure the climate control system
operates eciently, close all windows and
ensure that the exterior grill in front of the
windshield is free of ice, snow, leaves, and
other debris.
• In very humid conditions, it is normal for
the windshield to fog slightly when you
first turn on the air conditioning.
• It is normal for a small pool of water to
form under Model Y when parked. Extra
water produced by the dehumidifying
process is drained underneath.
• Model Y uses a heat pump to maximize
eciency; therefore, your air conditioning
compressor and external fan may run and
make noise even when the outside
temperature is cold and your vehicle is
heating or supercharging.
• To reduce the temperature in the cabin in
hot weather conditions, the fan may turn
on to vent the cabin when the vehicle is
parked. This occurs only if the battery's
charge level is above 20%.
Climate Controls
128 Model Y Owner's Manual
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