The vehicle is still OK to drive with this alert present, for
a period of time. However, if you continually delay the
12V battery replacement, the vehicle may eventually not
have enough power to start or restart.
If the 12V battery is too low to turn on the vehicle or
open the doors, follow the instructions in Jump Starting
the 12V Battery on page 198.
For more information on the battery system, see
Battery Information on page 155.
(VCFRONT_a192)
Electrical system power reduced
Vehicle may shut down
unexpectedly
The electrical system cannot maintain the voltage
required to support all vehicle features.
If you drive the vehicle while this alert is present, certain
features may be disabled or function at a reduced level
due to the low voltage. It is also possible the vehicle will
shut down unexpectedly.
Try turning o non-critical features, like seat heaters or
cabin fans, to help the vehicle maintain electrical power
for as long as possible.
Eliminating or reducing usage of non-critical features
may allow the vehicle to reach its destination without
shutting down, although this is not guaranteed.
Schedule service before your next planned drive. The
vehicle may shut down unexpectedly or may not restart
without service.
(VCSEC_a221)
Air pressure below
recommendation for tires
Check pressure and refill air as
needed
This alert does NOT indicate that there is a flat tire.
The tire pressure monitoring system (TPMS) has
detected that the air pressure in one or more of your
tires is at least 20% lower than the recommended cold
tire pressure. This recommended pressure should be
displayed on the Tire and Loading information label.
See Maintaining Tire Pressures on page 163 for detailed
information on how to keep the tires properly inflated.
This alert may appear in cold weather because the tire
pressure decreases when cold.
•
Although drops in tire pressure are expected in
colder weather, air should still be added to maintain
the recommended cold tire pressure.
• The alert may clear as the vehicle is driven. This is
because the tires will warm up and the tire pressure
will increase.
◦
Even if the alert clears, the tires should still be
refilled with air once they have cooled. The
recommended cold tire pressure should be
maintained.
If you repeatedly see this alert for the same tire, have
the tire inspected for a slow leak.
For more information on tire pressure and inflation, see
Tire Care and Maintenance on page 163.
(VCSEC_a228)
Air pressure in tires very low
PULL OVER SAFELY - Check for
flat tire
This alert indicates that one or more of the tires on your
vehicle is extremely low or flat.
The tire pressure monitoring system (TPMS) has
detected that the air pressure in one or more of your
tires is significantly lower than the recommended cold
pressure (RCP). This recommended pressure is
displayed on the Tire and Loading information label.
You should pull over carefully as soon as possible. In a
safe location, check for a flat tire.
You can request Tesla roadside assistance options
(mobile tire, loaner wheel, tow) if required. See
Contacting Tesla Roadside Assistance on page 195 for
more information.
In a non-emergency situation, it is recommended that
you visit your local Service Center for assistance.
The alert will clear once the TPMS has a consistent tire
pressure measurement for each of your tires of at least
30 psi.
For more information on tire pressure, inflation, and
maintenance, see Tire Care and Maintenance on page
163.
Troubleshooting Alerts
224 MODEL 3 OWNER'S MANUAL
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