Toyota 2009 Yaris Hatchback Owner's Manual page 127

CAUTION
n Do not use a seat belt extender
If a seat belt extender is used when installing a child restraint system, the
seat belt will not securely hold the child restraint system, which could cause
death or serious injury to the child or other passengers in the event of a colli-
sion.
To correctly attach a child restraint system to the anchors
n
When using the LATCH anchors, be sure that there are no foreign objects
around the anchors and that the seat belt is not caught behind the child
restraint. Make sure the child restraint system is securely attached, or it may
cause death or serious injury to the child or other passengers in the event of
a sudden stop or accident.
1-7. Safety information
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