Toyota Matrix 2009 Owner's Manual page 273

4-3. Do-it-yourself maintenance
Condensation build-up on the inside of the lens
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Contact your Toyota dealer for more information in the following situations.
Temporary condensation build-up on the inside of the headlight lens does
not indicate a malfunction.
Large drops of water are built up on the inside of the lens.
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l Water has built up inside the headlight.
CAUTION
n Replacing light bulbs
Turn off the headlights. Do not attempt to replace the bulb immediately
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after turning off the headlights.
The bulbs become very hot and may cause burns.
Do not touch the glass portion of the light bulb with bare hands. Hold the
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bulb by the plastic or metal portion.
If the bulb is scratched or dropped it may blow out or crack.
Fully install light bulbs and any parts used to secure them. Failing to do so
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may result in heat damage, fire, or water entering the headlight unit. This
may damage the headlights or cause condensation to build up on the lens.
To prevent damage or fire
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Make sure bulbs are fully seated and locked.
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