Stopping Keyless Access System Function By Using Access Key

WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.

Open the driver's door, and then push the door lock knob forward (LOCK direction).
Press the lock button of access key and rear gate button simultaneously for five seconds or more.
The buzzer sounds for two seconds, and the function stops.
NOTE: Perform the same procedures to re-activate the keyless access system from the disabled condition.