1463-1. Key information
YARIS_F_OM_Europe_OM52A54E■Key battery depletion
Vehicles without a smart entry & start system
If the wireless remote control function does not operate, the battery may be
depleted. Replace the battery when necessary. (P. 537)
Vehicles with a smart entry & start system
●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. 591)
●As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. (P. 537)
• The smart entry & start 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 1 m
(3 ft.) 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
• Induction cookers
• Table lamps
■Replacing the battery
P. 537
■Confirmation of the registered key number (vehicles with a smart entry &
start system)
The number of keys already registered to the vehicle can be confirmed. Ask
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer for details.
■If a wrong key is used
On some models, the key cylinder rotates freely to isolate inside mechanism.
■Customization
Settings (e.g. wireless remote control system) can be changed.
(Customizable features: P. 669)
