change key battery SUBARU BRZ 2015 1.G Owners Manual

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1-2. Opening, closing and locking the doors and trunk lid
■Conditions affecting operation
Vehicles without a keyless access with push button start system
The remote keyless entry system may not operate normally in the following
situations:
●When the transmitter battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electri-
cal noise
●When carrying a portable radio, cellular phone or other wireless commu-
nication devices
●When the transmitter is in contact with, or is covered by a metallic object
●When other transmitters (that emit radio waves) are being used nearby
●If window tint with a metallic content or metallic objects are attached to the rear window
Vehicles with a keyless access with push button start system
→ P. 3 0
■If the remote keyless entry system does not operate properly (vehicles
with a keyless access with push button start system)
Locking and unlocking the doors, unlocking the trunk lid: Use the mechanical
key. ( →P. 400)
■Key battery depletion
Vehicles without a keyless access with push button start system
If the remote keyless entry system does not operate, the battery may be
depleted. Replace the battery when necessary. ( →P. 330)
Vehicles with a keyless access with push button start system
→ P. 3 4
■When the access key battery is fully depleted
→ P. 330
■Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask
your SUBARU dealer for details.
■Customization that can be conf igured at your SUBARU dealer
Settings (e.g. remote keyless entry system) can be changed.
(Customizable features →P. 445)

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2-1. Driving procedures
2
When driving
■Operation of the push-button ignition switch
When operating the push-button ignition switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
push-button ignition switch mode may not change. It is not necessary to
press and hold the switch.
■Access key battery depletion
→ P. 3 4
■Conditions affecting operation
→P. 3 0
■Note for the “keyless access” entry function
→P. 3 1
■If the engine does not start
The engine immobilizer system may not have been deactivated. ( →P. 78)
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.

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2-3. Operating the lights and windshield wipers
2
When driving
■Battery-saving function
In the following conditions, the headlights and the other remaining lights will
go off automatically after 20 minutes in order to prevent the vehicle battery
from being discharged:
●The headlights and/or tail lights are on.
●The key is removed from the engine switch (vehicles without a keyless
access with push button start system) or the push-button ignition switch
is turned off (vehicles with a keyless access with push button start sys-tem).
●The light switch is in , or .
This function will be canceled in any of the following situations:
●When the engine switch is turned to the “ON” position (vehicles without a
keyless access with push button start system) or the push-button ignition
switch is turned to “ON” mode (vehicles with a keyless access with push
button start system)
●When the light switch is operated
●When the door is opened or closed
■Customization that can be configured at your SUBARU dealer
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features →P. 445)
CAUTION
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not run- ning.

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3-3. Using the interior lights
3
Interior features
Interior lightTurns the light off
Turns light on when door is
open
Turns the light on
■Illuminated entry system
Vehicles without a keyless access with push button start system
The lights automatically turn on/off according to the engine switch position,
whether the doors are locked/unlocked, and whether the doors are open/
closed.
Vehicles with a keyless access with push button start system
The lights automatically turn on/off according to push-button ignition switch
mode, the presence of the access key, whether the doors are locked/
unlocked, and whether the doors are open/closed.
■To prevent battery discharge
If the following lights remain on when the door is not fully closed, the lights
will go off automatically after 20 minutes:
●Interior light (when the switch is in the “DOOR” position)
●Engine switch light (vehicles without a keyless access with push button
start system)
●Push-button ignition switch light (vehicles with a keyless access with
push button start system)
●Door courtesy lights (if equipped)
■Customization that can be configured at your SUBARU dealer
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features
→P. 445)
Interior light

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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. ( →P. 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. ( →P. 82)
Doors
Locks driver’s door
Unlocks driver’s door
If communication between the access key and vehicle is interrupted (→ P. 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 canno t be used. In such cases, the
doors and trunk lid can be opened or the engine can be started by
following the procedure below.