Tesla Firmware 2023.12.400.4 (Bug Fix Update)

Minor Fixes

Included in 2023.12.400

This release contains minor fixes and improvements

Text Size

Included in 2023.12

Choose Standard or Large text size for the touchscreen.

Go to Controls > Display > Text Size.

Controls Search

Included in 2023.12

Use the Search function for quicker access to controls and settings.

Go to Controls > Search and enter a search term. Make changes directly from the result or tap the link to jump to that panel in Controls.

Points of Interest

Included in 2023.12

See photos and reviews when you select a point of interest or Supercharger location.

Phone Call Controls

Included in 2023.12

Control your phone calls from the steering wheel.

Use the left scroll button to answer or decline incoming calls. While you're on a call, use it to mute/unmute yourself or hang up.

Scroll Wheel Customization

Included in 2023.12

Do more with the left scroll button on the steering wheel.

You can adjust settings like brightness and Acceleration Mode, or perform actions like toggling the Camera App, opening the glovebox, and saving Dashcam footage.

Long press the left scroll button to bring up a list of functions and scroll through the list.

To choose which function comes up by default, go to Controls > Display > Scroll Wheel Function.

Gear Chimes

Included in 2023.12

A chime now sounds when you shift gears.

To toggle gear chimes, go to Controls > Safety > Gear Chimes.

Get to Know Your Tesla

Included in 2023.12

Learn basics like creating Driver Profiles, using Phone Key and regenerative braking from the 'Get to Know Your Tesla' educational experience within the new 'Manual' app. Each topic includes a visual and, if applicable, a link to the relevant feature. The 'Manual' app also provides easy access to resources for learning much more about your Tesla, such as the on-screen Owners Manual and online tutorial videos.

Go to App Launcher > Manual.

Voice Recognition Language

Included in 2023.12

British English is now available as a voice recognition language.

To update your voice recognition language, go to Controls > Display > Voice Recognition Language and choose an option from the list.

Zoom Meetings

Included in 2023.12

Make video calls with Zoom using the interior cabin camera.

If you have a Zoom meeting in your Calendar, tap the link to automatically start or join your meeting. Participant video and screen sharing is only visible while parked and will switch to audio-only if you drive. It is the driver's sole responsibility to consult and comply with all local regulations while using Zoom.

To access Zoom, tap Application Launcher > Zoom. For more information about Zoom, see the Owner's Manual.