Lexus CT200H Manual page 145


Battery-saving function (vehicles with entry function)
The battery-saving function will be activated in order to prevent the electronic
key battery and the 12-volt battery from being discharged while the vehicle is not
in operation for a long time.

In the following situations, the smart entry & start system may take some time
to unlock the doors.
• The electronic key has been left in an area of approximately 2 m (6 ft.) of the
outside of the vehicle for 10 minutes or longer.
• The smart entry & start system has not been used for 5 days or longer.

If the smart entry & start system has not been used for 14 days or longer, the
doors cannot be unlocked at any doors except the driver's door. In this case,
take hold of the driver's door handle, or use the wireless remote control or the
mechanical key, to unlock the doors.

Conditions affecting operation
The smart entry & start system, wireless remote control and immobilizer system
use weak radio waves. In the following situations, the communication between
the electronic key and the vehicle may be affected, preventing the smart entry &
start system, wireless remote control and immobilizer system from operating
properly.
(Ways of coping: P. 621)

When the electronic key battery is depleted

Near a TV tower, electric power plant, gas station, radio station, large display,
airport or other facility that generates strong radio waves or electrical noise

When carrying a portable radio, cellular phone, cordless phone or other wire-
less communication devices

When the electronic key is in contact with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs

When other wireless key (that emit radio waves) is being used nearby

When carrying the electronic key together with the following devices that emit
radio waves
• Another vehicle's electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems

If window tint with a metallic content or metallic objects are attached to the rear
window
CT200h_OM_OM76102E_(EE)
3-2. Opening, closing and locking the doors
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