Subaru BRZ 2017 Owner's Manual page 478

5-2. Steps to take in an emergency
■
The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem.
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. (→P. 486)
● There may be a malfunction in the steering lock system.
We recommend that you contact any authorized SUBARU dealer or
repairer, or another duly qualified and equipped professional if the
problem cannot be repaired, or if repair procedures are unknown.
Emergency start function
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the push-button ignition
switch is functioning normally:
Vehicles with an automatic transmission
Set the parking brake.
STEP 1
Put the select lever in P.
STEP 2
Set the push-button ignition switch to "ACC" mode.
STEP 3
Press and hold the push-button ignition switch about 15 sec-
STEP 4
onds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. We recommend that you have your vehicle
checked by any authorized SUBARU dealer or repairer, or another
duly qualified and equipped professional.
478