Toyota 2011 Tundra, Owner'S Manual

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5-2. Steps to take in an emergency
CAUTION
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Using the jack
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Do not raise the vehicle while someone is in it.
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When raising the vehicle, do not put an object on or under the jack.
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Do not raise the vehicle to a height greater than that required to
replace the tire.
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Use a jack stand if it is necessary to get under the vehicle.
Take particular care when lowering the vehicle to ensure that no one
working on or near the vehicle will be injured.
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Using the jack handle
Insert the square head securely until you hear a click to prevent the
extension parts from coming apart unexpectedly.
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Replacing a flat tire
Observe the following precautions to reduce the risk of death or serious
injury.
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Retighten the wheel nuts within 100 miles (160 km) of driving. Other-
wise, the nuts may loosen and the wheels may fall off, which could
cause a serious accident.
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Lower the spare tire completely to the ground before removing it from
under the vehicle.
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Do not try to remove the wheel ornament by hand. Take due care in
handling the ornament to avoid unexpected personal injury.
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Never use oil or grease on the wheel bolts or wheel nuts.
Oil and grease may cause the wheel nuts to be excessively tightened,
leading to bolt or disc wheel damage. In addition, the oil or grease can
cause the wheel nuts to loosen and the wheel may fall off, causing a
serious accident. Remove any oil or grease from the wheel bolts or
wheel nuts.