Toyota Prius Prime 2020, Manual

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PRIUS PRIME_OM_OM47C77U_(U)
4-1. Key information
■ 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 and a message
will be displayed on the multi-information display when the hybrid system
stops.
●
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. 635)
• 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.
You can replace the battery by yourself (

P. 635). However, as there is a
danger that the electronic key may be damaged, it is recommended that
replacement is carried out by your Toyota dealer.
●
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
• Cellular phones, cordless phones and battery chargers
• Table lamps
• Induction cookers