Lexus 2013 IS250, Owner'S Manual

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3-2. Opening, closing and locking the doors and trunk
IS250_EE(OM53B11E)

Conditions affecting operation
The smart entry & start system uses weak radio waves. In the following situa-
tions, the communication between the electronic key and the vehicle may be
affected, preventing the smart entry & start system, wireless remote control and
engine immobilizer system from operating properly. (Ways of coping:

P. 523)

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 device

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 keys (that emit radio waves) are 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