2011 Lexus IS 350 Owners Manual - Page 476

5-2. Steps to take in an emergency CAUTION n Using the tire jack Improper use of the tire jack may lead to death or serious injuries due to the vehicle suddenly falling off the jack. l Do not use the tire jack for any purpose other than replacing tires or installing and removing tire chains. l Only use the tire jack that comes with this vehicle for replacing a flat tire. Do not use it on other vehicles, and do not use other tire jacks for replacing tires on this vehicle. l Always check that the tire jack is securely set to the jack point. l Do not put any part of your body under the vehicle while it is supported by a jack. l Do not start or run the engine while your vehicle is supported by the jack. l Do not raise the vehicle while someone is in it. l When raising the vehicle, do not put an object on or under the jack. l Do not raise the vehicle to a height greater than that required to replace the tire. l 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 may be injured. n Replacing a flat tire 5 Observe the following precautions to reduce the risk of death or serious injury. l Never use oil or grease on the wheel bolts or wheel nuts. When trouble arises 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. l Have the wheel nuts tightened with a torque wrench to 76 ft•lbf (103 N•m, 10.5 kgf•m) as soon as possible after changing wheels. Failure to follow these precautions could cause the nuts to loosen and the wheels may fall off, which could lead to an accident causing death or serious injury. 487