change key battery TOYOTA tC 2012 Owners Manual (in English)

47
1-2. Opening, closing and locking the doors
1
Before driving
Scion_tC_U_(OM21041U)
■
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. 38)
● 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. 326)
• 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 within 3 ft.
(1 m) of the following electrical appliances that produce a magnetic field.
•TVs
• Personal computers
• Recharging cellular phones or cordless phones
• Cellular phones, cordless phones and battery chargers
• Glass top ranges
• Table lamps
■ When the electronic key battery is fully depleted
 P. 326
■ Customization that can be configured at Scion dealer
Settings (e.g. smart key system) can be changed. 
(Customizable features P. 444)

53
1-2. Opening, closing and locking the doors
1
Before driving
Scion_tC_U_(OM21041U)
■
When the electronic key battery is fully depleted
 P. 326
■ Customization that can be configured at Scion dealer
Settings (e.g. wireless remote control system) can be changed. 
(Customizable features: P. 444)
■ Certification for wireless remote cont rol (vehicles without a smart key
system)
U.S.A.
FCC ID: MOZB23RG 
FCC ID: MOZB41TG
NOTE: 
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
FCC WARNING: 
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
Canada
NOTE: 
Operation is subject to the following two conditions: (1) this device may not
cause interference, and (2) this device must accept any interference, includ-
ing interference that may cause undesired operation of the device.

172 2-1. Driving procedures
Scion_tC_U_(OM21041U)
■Auto power off function
Vehicles with an automatic transmission
If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is
not running) for more than an hour with the shift lever in P, the “ENGINE
START STOP” switch will automatically turn off. However, this function can-
not entirely prevent battery discharge. Do not leave the vehicle with the
“ENGINE START STOP” switch in ACCESSORY or IGNITION ON mode for
long periods of time when the engine is not running.
Vehicles with a manual transmission
If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is
not running) for more than an hour, the “ENGINE START STOP” switch will
automatically turn off. However, this function cannot entirely prevent battery
discharge. Do not leave the vehicle with the “ENGINE START STOP” switch
in ACCESSORY or IGNITION ON mode for long periods of time when the
engine is not running.
■ 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. 4 7
■ Conditions affecting operation
 P. 4 3
■ Note for the entry function
 P. 4 4

250 3-3. Using the interior lights
Scion_tC_U_(OM21041U)
■Illuminated entry system
Vehicles without a smart key 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 smart key 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 interior lights remain on when the door is not fully closed and the inte-
rior light switch is in door position, the lights will go off automatically after 20
minutes.
■ Customization that can be configured at Scion dealer
Settings (e.g. The time elapsed before lights turn off) can be changed. 
(Customizable features: P. 444)