transmission SUBARU BRZ 2018 Owner's Manual

176 2-1. Driving procedures
BRZ_U (A4450BE-A)
■Changing push-button ignition switch mode
Modes can be changed by pressing the push-button ignition switch
with the brake pedal (vehicles with an automatic transmission) or
clutch pedal (vehicles with a manual transmission) released. (The
mode changes each time the switch is pressed.)
Off*
The hazard warning flashers
can be used.
The keyless access with push
button start system indicator
light (green) is off.
“ACC” mode
Some electrical components
such as the power outlet can
be used.
The keyless access with push
button start system indicator
light (green) flashes slowly.
“ON” mode
All electrical components can
be used.
The keyless access with push
button start system indicator
light (green) flashes slowly.
*: Vehicles with an automatic transmission: If the select lever
is in a position other than P
when turning off the engine, the
push-button ignition switch will
be turned to “ACC” mode, not
to off.

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
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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

183
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
■
Turning the key from “ACC” to “LOCK”
Vehicles with an automatic transmission: Shift the select lever to P.
(→ P. 185)
Vehicles with a manual transmission: Shift the shift lever to neutral.
( → P. 192)
■ If the engine does not start
Remove the key and try again. If the engine does not start, the engine immo-
bilizer system may not have been deactivated. ( →P. 82)
Contact your SUBARU dealer.
■ When the steering lock cannot be released
■ Key reminder function
A buzzer sounds if the driver’s door is opened while the engine switch is in
the “LOCK” or “ACC” position to remind you to remove the key.
■ Immediately after reconnecting the battery terminals due to replacing
the battery and so forth
The engine may not start. If this occurs, turn the engine switch to the “ON”
position, and start the engine after waiting at least 10 seconds. Idling may be
unstable immediately after the engine starts, however, this is not a malfunc-
tion.
STEP 1
Push in the key and turn to the “LOCK”
position.STEP 2
When starting the engine, the engine
switch may seem stuck in the “LOCK”
position. To free it, turn the key while turn-
ing the steering wheel slightly left and
right.

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.

185
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
Automatic transmission∗
Select a shift position appropriate for the driving conditions.
■Shifting the select lever
Vehicles without a keyless access with push button
start system
While the engine switch is in the “ON” position, move the
select lever with the brake pedal depressed.
When shifting the select lever between P and D, make sure that
the vehicle is completely stopped.
Vehicles with a keyless access with push button start
system
While the push-button ignition switch is in “ON” mode,
move the select lever with the brake pedal depressed.
When shifting the select lever between P and D, make sure that
the vehicle is completely stopped.
∗: If equipped

190 2-1. Driving procedures
BRZ_U (A4450BE-A)
■If the select lever cannot be shifted from P
→ P. 474
■ Automatic gear selection when the vehicle is stopped
When the vehicle is idling at high rpm in order to warm up, and the vehicle is
on a slippery road, the transmission may automatically shift to 2
nd gear for
stopping and starting off.
■
Temporary manual mode driving
*1: Vehicles with a monochrome multi-information display
*2: Vehicles with a color multi-information display
Temporary manual mode driving will be deactivated and normal D position
driving will be returned to in the following situations:
● When driving for longer than the set time (the set time differs according
to driving conditions).
● When the vehicle comes to a stop.
● When the accelerator pedal is continually depressed for longer than the
set time.
● When the accelerator pedal is fully, or near-fully, depressed. Temporary manual mode driving can be
changed to by operating the paddle shift
levers while the select lever is in the D
position.
When this occurs, the selected gear and
“D” are displayed on the shift position and
shift range indicator.
(When engine speed rises close to the
red zone, upshifting will be automatically
performed.)
*1*2