Model Y is equipped with an event data recorder (EDR).
The main purpose of an EDR is to record, in certain crash
or near crash-like situations, such as an air bag
deployment or hitting a road obstacle, data to better
understand how the vehicle's systems performed. The
EDR is designed to record
Tesla updates your vehicle's software wirelessly,
constantly providing new features. Tesla recommends
you install software updates at the earliest opportunity
on your vehicle. To ensure the fastest and most reliable
delivery of software updates, leave Wi-Fi turned on and
connected whenever poss