NOTE: Limited regenerative braking can be avoided if
you allow enough time to precondition your vehicle or if
you use Schedule to precondition Model S before your
departure time (see Scheduled Charging and Scheduled
Departure on page 167).
Blue Snowflake Icon
A blue snowflake icon appears on your
instrument panel when some of the stored
energy in the Battery is unavailable because the
Battery is cold. This portion of unavailable
energy displays in blue on the Battery meter.
Regenerative braking, acceleration, and charging
rates may be limited. The
snowflake icon no
longer displays when the Battery is suciently
warm.
Warming the Battery Before
Supercharging
By using Trip Planner (see Trip Planner on page 135) to
navigate to a Supercharger, Model S pre-heats the
Battery to ensure when you arrive at the Supercharger,
the Battery temperature is optimal and ready to charge.
This reduces the amount of time it takes to charge.
NOTE: Tesla recommends using Trip Planner to navigate
to a Supercharger for at least 30-45 minutes before
arrival to ensure optimal Battery temperature and
charging conditions. If the drive to the Supercharger is
less than 30-45 minutes, consider preconditioning the
Battery prior to driving (see
Before Driving on page 79).
Autopilot
To ensure optimal Autopilot performance, keep the
sensors free of snow, ice, mud, and dirt (see About
Autopilot on page 81).
After Driving
Leave Model S plugged in when not in use. This uses the
charging system, rather than the Battery itself, to keep
the Battery warm (see High Voltage Battery Information
on page 163).
Scheduled Departure
When parked, plug in Model S and use the Schedule
settings, available on both the charging and climate
control screens, to set a time when you want to
precondition Model S (see Scheduled Charging and
Scheduled Departure on page 167). Your vehicle
determines the appropriate time to begin charging so it
is complete during o-peak hours and the cabin and
Battery are warm by your set departure time. For more
information, see Scheduled Charging and Scheduled
Departure on page 167.
Charge Port
• If your charge port latch freezes in place and a
charging cable becomes stuck in the charge port, try
manually releasing the charge cable. See Manually
Releasing Charge Cable on page 168.
•
Use the mobile app to precondition your vehicle to
help thaw ice on the charge port latch so that the
charge cable can be removed or inserted (see
Mobile
App on page 159).
NOTE: You can also prevent the occurrence of a charge
port latch freezing in place by using the Schedule
settings (see Scheduled Charging and Scheduled
Departure on page 167).
NOTE: If your charge port latch is frozen in place, it may
not lock the charging cable in place when inserted, but it
can still charge at a slow AC rate even if the latch is not
engaged.
Storage
If you leave Model S parked for an extended period of
time, plug the vehicle into a charger to prevent normal
range loss and to keep the Battery at an optimal
temperature. Your vehicle is safe to stay plugged in for
any length of time.
When not in use, Model S enters a sleep mode to
conserve energy. Reduce the number of times you check
your vehicle’s status on the mobile app, as this
automatically wakes up your vehicle and starts normal
energy consumption.
Cold Weather Best Practices
80 MODEL S Owner's Manual
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