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YARIS SEDAN_OM_OM99S50z_(U)
5-3. Owner Maintenance
Key Battery Replacement
If the buttons on the smart key are inoperable and the operation indi-
cator light does not flash, the battery may be dead.
Replace with a new battery before the smart key becomes unusable.
The following conditions indicate that the battery power is low:
• The KEY indicator light (green) flashes in the combination meter for
about 30 seconds after the engine is switched OFF.
• The system does not operate and the operation indicator light on
the smart key does not flash when the buttons are pressed.
• The system’s operational range is reduced.
Replacing the battery at your Toyota dealer is recommended to pre-
vent damage to the key. If replacing the battery by yourself, follow the
instruction below.
■ Replacing the key battery
Press the knob and pull out
the auxiliary key.
Twist a tape-wrapped flat-
head screwdriver in the
direction of the arrow and
open the cover slightly.
Knob
1
Cover
2
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