2010 Cadillac DTS Owner's Manual - Page 408

Storing a Flat or Spare Tire and Tools { WARNING: Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in the proper place. After you have put the spare tire on your vehicle, store the flat tire in your trunk. Store the flat tire as far forward in the trunk as possible. Store the jack and wheel wrench in their compartment in the trunk. For storage, the jack must be raised until the screw end is flush with the edge of the jack. The compact spare is for temporary use only. Replace the compact spare tire with a full-size tire as soon as you can. 5-Wheel Nuts 8-Wheel Nuts 14. Tighten the wheel nuts firmly in a crisscross sequence as shown. If your vehicle is equipped with wheel nut covers, screw the nut covers on with your fingers, then tighten one-quarter turn with the wheel wrench. Notice: Wheel covers will not fit on your vehicle's compact spare. If you try to put a wheel cover on the compact spare, the cover or the spare could be damaged. 6-88