Tesla Model Y: High Voltage Battery Information
Tesla Model Y (2020-2026) Owner's Manual / Charging / High Voltage Battery Information
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About the High Voltage Battery
Model Y has one of the most sophisticated battery
systems in the world. The most important way to
preserve the high voltage Battery is to LEAVE YOUR
VEHICLE PLUGGED IN when you are not using it. Th
Battery Care
Never allow the Battery to fully discharge. Even when
Model Y is not being driven, its Battery discharges very
slowly to power the onboard electronics. The Battery
can discharge at a rate of approx
Lithium Iron Phosphate Batteries
Some vehicles are equipped with a Lithium Iron Phosphate (LFP) Battery. To
determine if your vehicle has an LFP Battery, navigate to Controls > Software >
Additional Vehicle Information.
If yo
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About the Security System
If Model Y does not detect a key nearby and a locked
door or trunk is opened, an alarm sounds. The
headlights and turn signals also flash. To deactivate the
alarm, press any button on the key fob.
To manually enable or disable the alarm system, touch
Controls > Safety > Security Alarm. Wh
Indicator Lights
Indicator lights display along the top of the instrument
panel to show status and alert you of specific vehicle
conditions.
A brake system fault is
detected or the
brake fluid level is low. Contact Tesla
immediately.
A brake booster fault has been
detected.
An ABS (Anti-lock Braking
Sy
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