Toyota 2008 Camry Owner's Manual page 218

Plasmacluster™*
n
This air conditioning system adopts plasmacluster technology, which helps
to keep good air quality in the cabin by emitting positive and negative ions
through the driver's side vent.
A slight noise may be heard during operation. This is not a malfunction.
Also, static electricity may be discharged near the driver's side vent due to
the high voltage used to operate the system.
To clean the drive's side vent, turn the system off and wipe the vent using a
soft cloth.
*: Plasmacluster technology is manufactured under license from SHARP
Corporation. "Plasmacluster™" is a trademark of the SHARP Corporation.
CAUTION
To prevent the windshield from fogging up
n
Do not use
The difference between the temperature of the outside air and that of the
windshield can cause the outer surface of the windshield to fog up, blocking
your vision.
Plasmacluster™
n
Do not disassemble or repair the system because it contains high voltage
parts. Call your Toyota dealer if the system needs repair.
NOTICE
To prevent battery discharge
n
Do not leave the automatic air conditioning system on longer than necessary
when the engine is stopped.
n To prevent damage to the Plasmacluster™
Do not insert anything into the driver's side vent, attach anything to it, or use
sprays around the drive's side vent. These things may cause the system not
to work properly.
3-1. Using the air conditioning system and defogger
during cool air operation in extremely humid weather.
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