Remote Engine Starter (For Key Start Models) is a direct fit for the following:

2019-2024 Subaru Forester

Allows vehicle to be started by pushing a button from the convenience of home or the office
(up to 400 feet away depending on obstructions)
so that the vehicle’s interior temperature is more comfortable upon entry.
The start/stop button blinks to confirm the engine has been started.

Genuine Subaru Part Number: H001SSJ100