Toyota CAMRY 2021 Owner's Manual page 442

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4-6. Driving tips
◆
Regular maintenance
● Make sure to check the tire inflation pressure frequently.
Improper tire inflation pressure can cause poor fuel economy.
Also, as snow tires can cause large amounts of friction, their use
on dry roads can lead to poor fuel economy. Use tires that are
appropriate for the season and road conditions.
● Use oil and fluid of the recommended quality, which affect fuel
consumption and the life of the vehicle. Also, check oil and fluid
periodically. (P. 503)
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