change key battery TOYOTA FR-S 2013 Owners Manual (in English)

34 1-2. Opening, closing and locking the doors and trunk
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin when the
engine stops. ( P. 338)
● As the electronic key always receives radio waves, the battery will
become depleted even if the electronic key is not used. The following
symptoms indicate that the electronic key battery may be depleted.
Replace the battery when necessary. ( P. 296)
• The smart key system or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
● To avoid serious deterioration, do not leave the electronic key close to
any of the following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Glass top ranges
• Table lamps
■ When the electronic key battery is fully depleted
P. 296
■ If the smart key system has been d eactivated in a customized setting
● Locking and unlocking the doors, unlocking the trunk: Use the wireless
remote control or mechanical key. ( P. 37, 357)
● Starting the engine and changing “ENGINE START STOP” switch
modes:  P. 3 5 8
● Stopping the engine: P. 360
■ Customization that can be configured at Scion dealer
Settings (e.g. smart key system) can be changed.
(Customizable features: P. 401)

39
1-2. Opening, closing and locking the doors and trunk
1
Before driving
■
If the wireless remote control does not operate properly
Locking and unlocking the doors, unlocking the trunk: Use the mechanical
key. ( P. 357)
■ Key battery depletion
P. 3 4
■ When the electronic key battery is fully depleted
P. 296
■ Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask
your Scion dealer for details.
■ Customization that can be conf igured at your Scion dealer
Settings (e.g. wireless remote control system) can be changed.
(Customizable features P. 401)

158 2-1. Driving procedures
■Operation of the “ENG INE START STOP” switch
When operating the “ENGINE START STOP” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to
press and hold the switch.
■ Electronic key battery depletion
P. 3 4
■ Conditions affecting operation
P. 3 0
■ Note for the entry function
P. 3 1
■ If the engine does not start
The engine immobilizer system may not have been deactivated. ( P. 73)
Contact your Scion dealer.
■ Steering lock
After turning the “ENGINE START STOP” switch off and opening and closing
the doors, the steering wheel will be locked due to the steering lock function.
Operating the “ENGINE START STOP” switch again automatically cancels
the steering lock.
Vehicles with an automatic transmission:
Check that the shift lever is securely set
in P. The engine may not start if the shift
lever is displaced out of P. The smart key
system indicator light (green) will flash
quickly.

230 3-3. Using the interior lights
Interior lightTurns the light off
Turns the door position on
Turns the light on
■Illuminated entry system
The lights automatically turn on/off according to “ENGINE START STOP”
switch mode, the presence of the electronic 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 START STOP” switch light
■ Customization that can be configured at Scion dealer
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features
P. 401)
Interior light