Tesla Model S: Electric Vehicle Components

 Low voltage battery service is required

Schedule service - Vehicle may not restart The low voltage battery cannot provide the electrical support necessary to drive or continue driving. If this alert is present while you are driving, your vehicle needs to come to a stop as soon as possible. Pull over safely at your earliest opportunity

 Charging equipment not ready

See equipment instructions to start charging Charging cannot begin because the charging station is communicating to your vehicle that either the external charging equipment is not ready or charging is not authorized. The control pilot signal that communicates between the charging station and you