2021 TOYOTA SIENNA HYBRID maintenance

62Maintenance Log
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MAINTENANCE
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63Maintenance Log
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MAINTENANCE
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64Maintenance Log
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MAINTENANCE
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SAFETY PRECAUTIONS
Your Sienna has both high-voltage DC and AC systems as well as a 12-volt system. Both DC
and AC high voltage are very dangerous and can cause personal injury, severe burns, electric
shock and even fatal injury.
To avoid personal injury, please follow all caution labels attached to high-voltage parts. Do not
touch or attempt to remove or replace any high-voltage (orange-colored) wiring and connectors.
Do not touch the service plug located underneath the access hole in the console box.
If an accident occurs, do not touch any high-voltage wiring, connectors or parts such as the
inverter unit or hybrid vehicle battery assembly.
Do not touch the potassium hydroxide electrolyte that might spill or leak from the hybrid vehicle
battery as the result of an accident. If potassium hydroxide electrolyte gets on your skin or in
your eyes, neutralize it immediately with a saturated boric acid solution (ratio: 80 grams boric
acid to two liters water). Seek immediate medical attention.
If a vehicle fire occurs, extinguish it with a Class D powder-type fire extinguisher.
Toyota recommends having maintenance and repairs for your Sienna performed by
an authorized Toyota dealership. To locate your nearest authorized Toyota dealership,
contact the Toyota Brand Engagement Center at (800) 331-4331 or log on to
www.toyota.com.
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Warranty & Maintenance Guide 2021
toyota.com2021
WARRANT Y &
MAINTENANCE
GUIDE
Printed in U.S.A. 9/20 19 -T C S -14 210
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