Lexus IS300H 2017 Manual page 159

Conditions affecting operation
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The smart entry & start system uses 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. 628)
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 wireless com-
●
munication 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 win-
●
dow
3-2. Opening, closing and locking the doors and trunk
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