2021 TESLA MODEL 3 Owner´s Manual

If this issue has occurred multiple times at your normal charging location, contact an electrician to inspect the
electrical installation. They should check the following:

For more information on troubleshooting Mobile Connector or Wall Connector status lights, refer to the product

(UMC_a004)
Unable to charge with Mobile Connector
Voltage too high / Try a different wall outlet
The vehicle cannot charge, or charging is interrupted, because either the Mobile Connector:

You can also try charging your vehicle using a Tesla Supercharger or Destination Charging location, all of which can
be located through the map on your vehicle

(VCFRONT_a182)
12V battery must be replaced - Schedule service
Software will not update until battery is replaced
The 12V battery is showing degraded performance and needs to be replaced. Until the 12V battery is replaced,
vehicle software updates will not complete.
It is recommended that you have the 12V battery replaced at your earliest convenient opportunity.
You can schedule service via the Tesla Mobile App, or with an independent service provider that offers 12V battery
replacement for your vehicle. Please note that independent service provider options may vary, based on your vehicle
configuration and your location.
Your vehicle is OK to drive with this alert present. However, if you delay the 12V battery replacement, your vehicle
may eventually not have enough power to start or to restart after a recent drive.
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 196.
For more information on the battery system, see Battery Information on page 153.
(VCFRONT_a192)
Electrical system power reduced
Non-essential features may be unavailable
Some non-essential features, like seat heaters or cabin heating / cooling, may be unavailable or may operate at a
reduced level. This is expected behavior designed to help your vehicle maintain adequate electrical power for
essential functions.
This alert may be present due to various vehicle conditions. For more information and further recommended actions, check for other alerts
specific to conditions affecting your vehicle

(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.
In the Cards area of your vehicle

In the Cards area of your vehicle