2016 SUBARU BRZ key battery

332 4-3. Do-it-yourself maintenance
■Use a CR2016 (vehicles without a keyless access with push button
start system) or CR2032 (vehicles with a keyless access with push but-
ton start system) lithium battery
●Batteries can be purchased at your SUBARU dealer, local electrical
appliance shops or camera stores.
●Replace only with the same or equivalent type recommended by the
manufacturer.
●Dispose of used batteries according to local laws.
■If the key battery is depleted
The following symptoms may occur:
●The keyless access with push button start system (if equipped) and
remote keyless entry system will not function properly.
●The operational range will be reduced.
■When putting the module back (vehicles without a keyless access with
push button start system)
WARNING
■Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child,
they can cause choking. Failure to do so could result in death or serious
injury.
Insert the module from directly above.
Inserting it on an angle may prevent the
key buttons from operating properly.

When trouble arises5
357
5-1. Essential information
Hazard warning
flashers .......................... 358
If your vehicle needs to
be towed ........................ 359
If you think something
is wrong ......................... 366
Fuel pump shut off
system ........................... 3675-2. Steps to take in an
emergency
If a warning light turns
on or a warning buzzer
sounds... ....................... 368
If you have a flat tire......... 382
If the engine will not
start ................................ 393
If the select lever cannot
be shifted from P ............ 396
If you lose your keys ........ 397
If the access key does not
operate properly ............. 398
If the battery is
discharged ..................... 402
If your vehicle
overheats ....................... 407
If the vehicle becomes
stuck .............................. 410

380 5-2. Steps to take in an emergency
OnceContinuous
(5 seconds)
(Flashes
in yellow)Keyless access with push
button start system indica-
tor light
An attempt was made to exit
the vehicle with the access
key and lock the doors with-
out first turning the push-but-
ton ignition switch off.Turn the
push-button
ignition switch
off and lock
the doors
again.
Once(Flashes
in yellow
for 15
seconds.)Keyless access with push
button start system indica-
tor light
Indicates that the access key
is not present when attempt-
ing to start the engine.Confirm the
location of the
access key.
Intermit-
tently (7
sec-
onds)

(Flashes
in yellow)Keyless access with push
button start system indica-
tor light
An attempt was made to
drive when the regular key
was not inside the vehicle.Confirm that
the access
key is inside
the vehicle.
Once(Flashes
in yellow
for 15
seconds.)Keyless access with push
button start system indica-
tor light
Indicates that the access key
battery is low.Replace the
battery.
(oP. 329)
Once(Flashes
quickly in
green for
15 sec-
onds.)Keyless access with push
button start system indica-
tor light
Indicates that the steering
lock has not been released.Release the
steering lock.
(oP. 168)
Interior
buzzerExterior
buzzerWarning
lightWarning light/DetailsCorrection
procedure

5
When trouble arises
393
5-2. Steps to take in an emergency
If the engine will not start
If the engine will not start even though correct starting procedures
are being followed (oP. 162, 171), consider each of the following
points.
■The engine will not start even when the starter motor oper-
ates normally.
One of the following may be the cause of the problem.
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. (oP. 162, 171)
●There may be a malfunction in the engine immobilizer system.
(oP. 78)
■The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at
a low volume.
One of the following may be the cause of the problem.
●The battery may be discharged. (oP. 4 0 2 )
●The battery terminal connections may be loose or corroded.
■The starter motor does not turn over. (vehicles with a key-
less access with push button start system)
The engine starting system may be malfunctioning due to an
electrical problem such as an open circuit or a blown fuse. How-
ever, an interim measure is available to start the engine.
(oP. 394)

394 5-2. Steps to take in an emergency
Emergency start function (vehicles with a keyless access with
push button start system)
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.
Put the select lever in P.
Set the push-button ignition switch to “ACC” mode.
Press and hold the push-button ignition switch about 15 sec-
onds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the vehicle checked by your SUBARU
dealer.
■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. (oP. 402)
●There may be a malfunction in the steering lock system. (vehi-
cles with a keyless access with push button start system)
Contact your SUBARU dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP 1
STEP 2
STEP 3
STEP 4

398
5-2. Steps to take in an emergency
If the access key does not operate properly (vehicles with a keyless access with push button star t system)
Unlocking and locking the doors, unlocking the trunk lid
Use the mechanical key built in to the access keys to operate the
doors and trunk lid. (oP. 21)
The mechanical key is directional. If the key cannot be inserted,
change the direction that the grooved side is facing and insert it
again.
Vehicles with an alarm: An alarm will sound if the alarm is set when the
trunk lid or doors are unlocked. (oP. 83)
Doors
Locks driver’s door
Unlocks driver’s door
If communication between the access key and vehicle is interrupted
(oP. 30) or the access key cannot be used because the battery is
depleted, the keyless access with push button start system and
remote keyless entry system cannot be used. In such cases, the
doors and trunk lid can be opened or the engine can be started by
following the procedure below.

5
When trouble arises
401 5-2. Steps to take in an emergency
■Stopping the engine
Vehicles with an automatic transmission: Shift the select lever to P and press
the push-button ignition switch as you normally do when stopping the
engine.
Vehicles with a manual transmission: Shift the shift lever to neutral and press
the push-button ignition switch as you normally do when stopping the
engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
access key battery be replaced immediately when the battery depletes.
(oP. 329)
■Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered. (oP. 8 3 )
■If the doors cannot be locked or unlocked by the keyless access with
push button start system
Lock and unlock the doors by the mechanical key or remote keyless entry
system.

402
5-2. Steps to take in an emergency
If the batter y is discharged
The following procedures may be used to start the engine if the vehi-
cle's battery is discharged.
You can call your SUBARU dealer or a qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehi-
cle with a 12-volt battery, you can jump start your vehicle following
the steps below.
Connect the jumper cables according to the following pro-
cedures:
Positive (+) battery terminal on your vehicle
Positive (+) battery terminal on the second vehicle
Negative (-) battery terminal on the second vehicle
Connect the jumper cable to ground on your vehicle as shown in
the illustration.
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Vehicles with a keyless access with push button start sys-
tem only: Open and close any of the doors of your vehicle
with the push-button ignition switch off.
STEP 1
STEP 2
STEP 3