2009 Mazda CX-9 Owner's Manual - Page 403

In Case of an Emergency Flat Tire To install the nut 1. Place the key on top of the nut, and be sure to hold the key square to it. If you hold the key at an angle, you may damage both key and nut. Don't use a power impact wrench. 2. Place the lug wrench on top of the key, apply pressure, and turn it clockwise. 3. Install the lug nuts with the beveled edge inward; tighten them by hand. qMounting the Spare Tire 1. Remove dirt and grime from the mounting surfaces of the wheel and hub, including the hub bolts, with a cloth. WARNING Do not apply oil or grease to lug nuts and bolts and do not tighten the lug nuts beyond the recommended tightening torque: Applying oil or grease to lug nuts and bolts is dangerous. The lug nuts could loosen while driving and cause the tire to come off, resulting in an accident. In addition, lug nuts and bolts could be damaged if tightened more than necessary. WARNING Make sure the mounting surfaces of the wheel, hub and lug nuts are clean before changing or replacing tires: When changing or replacing a tire, not removing dirt and grime from the mounting surfaces of the wheel, hub and hub bolts is dangerous. The lug nuts could loosen while driving and cause the tire to come off, resulting in an accident. 2. Mount the spare tire. 4. Turn the lug wrench counterclockwise and lower the vehicle. Use the lug wrench to tighten the nuts in the order shown. 7-11