Toyota 2009 Corolla Owner's Manual page 48

1-2. Opening, closing and locking the doors and trunk
Operation signals
n
A buzzer sounds and the emergency flashers flash to indicate that the doors
have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Conditions affecting operation
n
The smart key system uses weak radio waves. In the following situations,
the communication between the electronic key and the vehicle may be
affected, preventing the smart key system and wireless remote control from
operating properly. (Ways of coping: →P. 403)
l When the electronic key battery is depleted
Near a TV tower, electric power plant, gas station, radio station, large dis-
l
play, airport or other facility that generates strong radio waves or electri-
cal noise
When carrying a portable radio, cellular phone, cordless phone or other
l
wireless communication devices
When the electronic key is in contact with, or is covered by the following
l
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
l
When carrying or using the electronic key together with the following
l
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
l
the rear window
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