Lexus RX450H Manual page 66

1-3. Opening, closing and locking the doors

Conditions affecting operation
The smart entry & start system uses weak radio waves. In the following sit-
uations, the communication between the electronic key and the vehicle may
be affected, preventing the smart entry & start system, wireless remote con-
trol and immobilizer system from operating properly.
(Ways of coping: P. 607)

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 elec-
trical noise

When carrying a portable radio, cellular phone, cordless phone or other
wireless communication device

When the electronic key is in contact with, or is covered by the follow-
ing 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 multiple electronic keys are in the vicinity

When another wireless key (that emits 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
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