2018 SUBARU BRZ check engine

174 2-1. Driving procedures
BRZ_U (A4450BE-A)
■Stopping the engine
Vehicles with an automatic transmission Stop the vehicle.
Shift the select lever to P.
Set the parking brake. ( →P. 197)
Release the brake pedal.
Press the push-button ignition
switch.
Check that the keyless access
with push button start system
indicator light (green) is off.
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5

177
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
When stopping the engine with the select lever in a position
other than P (vehicles with an automatic transmission)
If the engine is stopped with the select lever in a position other than P,
the push-button ignition switch will not be turned off but instead be
turned to “ACC” mode. Perform the following procedure to turn the
switch off: Check that the parking brake is set.
Shift the select lever to P.
Check that the keyless access with push button start system
indicator light (green) flashes slowly and then press the push-
button ignition switch once.
Check that the keyless access with push button start system
indicator light (green) is off.
■Auto power off function
Vehicles with an automatic transmission
If the vehicle is left in “ACC” mode for more than 20 minutes or “ON” mode
(the engine is not running) for more than an hour with the select lever in P,
the push-button ignition switch will automatically turn off. However, this func-
tion cannot entirely prevent battery discharge. Do not leave the vehicle with
the push-button ignition switch in “ACC” or “ON” mode for long periods of
time when the engine is not running.
Vehicles with a manual transmission
If the vehicle is left in “ACC” mode for more than 20 minutes or “ON” mode
(the engine is not running) for more than an hour, the push-button ignition
switch will automatically turn off. However, this function cannot entirely pre-
vent battery discharge. Do not leave t he vehicle with the push-button ignition
switch in “ACC” or “ON” mode for long periods of time when the engine is not
running.
STEP 1
STEP 2
STEP 3
STEP 4

178 2-1. Driving procedures
BRZ_U (A4450BE-A)
■Operation of the push-button ignition switch
If the switch is not pressed shortly and firmly, the push-button ignition switch
mode may not change or the engine may not start.
■ Access key battery depletion
→ P. 3 5
■ Conditions affecting operation
→ P. 3 1
■ Note for the “keyless access” entry function
→ P. 3 2
■ If the engine does not start
The engine immobilizer system may not have been deactivated. ( →P. 82)
Contact your SUBARU dealer.
■ Steering lock
After turning the push-button ignition switch off and opening and closing the
doors, the steering wheel will be locked due to the steering lock function.
Operating the push-button ignition switch again automatically cancels the
steering lock. Vehicles with an automatic transmission:
Check that the select lever is securely set
in P. The engine may not start if the select
lever is displaced out of P. The keyless
access with push button start system indi-
cator light (green) will flash quickly.

179
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
■
When the steering lock cannot be released
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off r epeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the
steering lock motor will resume functioning.
■ If the keyless access with push button start indicator flashes in yellow
and a message is displayed on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your
SUBARU dealer immediately.
■ If the access key battery is depleted
→ P. 392
■ If the keyless access with push button start system has been deacti-
vated in a customized setting
→ P. 477 The keyless access with push button start
system indicator light (green) will flash
quickly and a message will be shown on
the multi-information display. (
→P. 446)
Vehicles with an automatic transmis-
sion
Check that the select lever is set in P.
Press the push-button ignition switch
while turning the steering wheel left and
right.
Vehicles with a manual transmission
Press the push-button ignition switch
while turning the steering wheel left and
right.

181
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
CAUTION
■
To prevent battery discharge
● Do not leave the push-button ignition switch in “ACC” or “ON” mode for
long periods of time without the engine running.
● If the keyless access with push button start system indicator light (green)
is illuminated, the push-button ignition switch is not off. When exiting the
vehicle, always check that the push-button ignition switch is off.
● Vehicles with an automatic transmission: Do not stop the engine when the
select lever is in a position other than P. If the engine is stopped in another
select lever position, the push-button ignition switch will not be turned off
but instead be turned to “ACC” mode. If the vehicle is left in “ACC” mode,
battery discharge may occur.
■ When starting the engine
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have your vehi-
cle checked by your SUBARU dealer immediately.
● Vehicles with an automatic transmission: Do not shift the select lever while
the starter is operating.
■ Symptoms indicating a malfunction with the push-button ignition
switch
If the push-button ignition switch seems to be operating somewhat differently
than usual, such as the switch sticking slightly, there may be a malfunction.
Contact your SUBARU dealer immediately.

182
2-1. Driving procedures
BRZ_U (A4450BE-A)
Engine (ignition) switch (vehicles without a keyless access with push button star t system)
■Starting the engine
Vehicles with an automatic transmission Check that the parking brake is set.
Check that the select lever is set in P.
Firmly depress the brake pedal.
Turn the engine switch to the “START” position to start the
engine.
Vehicles with a manual transmission Check that the parking brake is set.
Check that the shift lever is set in neutral.
Firmly depress the clutch pedal.
Turn the engine switch to the “START” position to start the
engine.
■ Changing the engine switch positions
“LOCK”
The steering wheel is locked
and the key can be removed.
(Vehicles with an automatic
transmission: The key can be
removed only when the select
lever is in P.)
“ACC”
Some electrical components
such as the power outlet can
be used.
“ON”
All electrical components can
be used.
“START”
For starting the engine.
STEP 1
STEP 2
STEP 3
STEP 4
STEP 1
STEP 2
STEP 3
STEP 4

184 2-1. Driving procedures
BRZ_U (A4450BE-A)
WARNING
■When starting the engine
Always start the engine while sitting in the driver's seat. Do not depress the
accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
■ Caution when driving
Do not turn the engine switch to the “LOCK” position while driving. If, in an
emergency, you must turn the engine off while the vehicle is moving, turn the
engine switch only to the “ACC” position to stop the engine. An accident may
result if the engine is stopped while driving.
CAUTION
■To prevent battery discharge
Do not leave the engine switch in the “ACC” or “ON” position for long periods
of time without the engine running.
■ When starting the engine
●Do not crank the engine for more than 10 seconds at a time. This may
overheat the starter and wiring system.
If the engine does not start, turn the engine switch to the “LOCK” position
and try to start the engine again after waiting for 10 seconds or more.
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have your vehi-
cle checked by your SUBARU dealer immediately.
● Vehicles with an automatic transmission: Do not shift the select lever while
the starter is operating.

196 2-1. Driving procedures
BRZ_U (A4450BE-A)
■Turn signals can be operated when
Vehicles without a keyless access with push button start system
The engine switch is in the “ON” position.
Vehicles with a keyless access with push button start system
The push-button ignition switch is in “ON” mode.
■ If the indicators flash faster than usual
Check that a light bulb in the turn signal lights has not burned out.
■ If the turn signals stop flashing be fore a lane change has been per-
formed
Operate the lever again.
■ To discontinue flashing of the turn signals during a lane change
Operate the lever in the opposite direction.
■ Customization that can be conf igured at your SUBARU dealer
The lane change turn signal function can be disabled.
(Customizable features: →P. 522)