A sensor to determine the location on the vehicle of impact and the severity of the impact to determine if and which air bags should be deployed.

SENSOR ASSEMBLY-AIR BAG FRONT Air Bag Impact Sensor

Fits Crosstrek

Air Bag Crash Sensor
An airbag or SRS light can sometimes indicate a problem with the impact sensor on your 2022 Subaru Outback, particularly if it's been involved in a collision—at any speed. Have a technician inspect your vehicle's crash sensor.