Tesla Y 2019 Owner's Manual page 159

Software Updates
Viewing Release Notes
When a software update is complete, read the release
notes displayed on the touchscreen to learn about
changes or new features. To display release notes about
the current version of your vehicle's software at any
time, touch Controls > Software > Release Notes.
Tesla strongly recommends reading all release notes.
They may contain important safety information or
operating instructions for your Model Y.
Using the Touchscreen 157