Subaru BRZ 2018 Owner's Manual page 176

2-1. Driving procedures
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Stopping the engine
Vehicles with an automatic transmission
Stop the vehicle.
STEP 1
Shift the select lever to P.
STEP 2
Set the parking brake. ( P. 197)
STEP 3
Release the brake pedal.
STEP 4
STEP 5
174
Press the push-button ignition
switch.
Check that the keyless access
with push button start system
indicator light (green) is off.