2010 CADILLAC DTS Owners Manual

A. Wheel Block
B. Flat Tire
The following information explains how to use the jackand change a tire.
Removing the Spare Tire and Tools
The equipment needed is in the trunk. To accessthe equipment:
1. Open the trunk. SeeTrunk on page 3-12for moreinformation.
2. Press the area at thefront of the handlelocated on the cover sothat the back edgeraises.
3. Grab the handle andremove the cover.
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4. Turn the wing nut to remove the retainer that holdsthe wrench and jack.
5. Remove the wheel wrench, jack and spare tire fromthe trunk. SeeSpare Tire on page 6-90for moreinformation.
The tools to be used are the jack (A) and the wheelwrench (B).
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Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check before proceeding. SeeChanginga Flat Tire on page 6-80for more information.
2. For models having aluminum wheels with a centerwheel cover, use the flat end of the wheel wrench togently pry the wheel covers off. Store the wheelcover and lug nut caps in the trunk until you have theflat tire repaired or replaced. Be careful not to scratchthe aluminum wheel edge and do not try to remove itwith your hands. Then loosen the wheel nuts with thewheel wrench. Do not remove them yet.
3. For models with exposed lug nuts, loosen them usingthe wheel wrench. Do not remove them yet.
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4. Find the jacking location from the diagram aboveand use the corresponding cutouts located in theplastic molding.
The front location is (A) 8.5 inches (21 cm) from therear edge of the front wheel well, and the rearlocation (B) is 3.5 inches (8.5 cm) from the frontedge of the rear wheel well.
The notches may also be labeled JACK with anarrow pointing to the jacking location on the vehicle.
{WARNING:
Getting under a vehicle when it is jacked up is
dangerous. If the vehicle slips off the jack, you
could be badly injured or killed. Never get under a
vehicle when it is supported only by a jack.
{WARNING:
Raising your vehicle with the jack improperly
positioned can damage the vehicle and even
make the vehicle fall. To help avoid personal injury
and vehicle damage, be sure to fit the jack lift
head into the proper location before raising
the vehicle.
Notice:If you position the jack under the rockermolding and attempt to raise the vehicle, you couldbreak the molding and/or cause other damage toyour vehicle. Always position the jack so that whenthe jack head is raised, it will fit firmly in thenotch located inboard from the rocker molding.
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5. Turn the jack handle counterclockwise to lower thejack lift head until the jack fits under the vehicle.
6. Raise the jack until the metal flange fits firmly intothe channel of the jack head.
7. Put the spare tire near you.
8. Raise the vehicle by turning the jack handleclockwise. Raise the vehicle far enough off theground for the spare tire to fit under the vehicle.
9. Remove all wheel nuts and the flat tire.
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10. Remove any rust or dirtfrom the wheel bolts,mounting surfaces, andspare wheel.
{WARNING:
Rust or dirt on a wheel, or on the parts to which it
is fastened, can make wheel nuts become loose
after time. The wheel could come off and cause
an accident. When changing a wheel, remove any
rust or dirt from places where the wheel attaches
to the vehicle. In an emergency, use a cloth or a
paper towel to do this; but be sure to use a
scraper or wire brush later, if needed, to get all the
rust or dirt off. SeeChanging a Flat Tire on
page 6-80.
11. Place the spare tire on the wheel-mounting surface.
{WARNING:
Never use oil or grease on bolts or nuts because
the nuts might come loose. The vehicle’s wheel
could fall off, causing a crash.
12. Put the wheel nuts backon with the roundedend of the nuts towardthe wheel. Tighten eachnut by hand until thewheel is held againstthe hub.
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13. Lower the vehicle by turning the jack handlecounterclockwise. Lower the jack completely.
{WARNING:
Wheel nuts that are improperly or incorrectly
tightened can cause the wheels to become loose
or come off. The wheel nuts should be tightened
with a torque wrench to the proper torque
specification after replacing. Follow the torque
specification supplied by the aftermarket
manufacturer when using accessory locking wheel
nuts. SeeCapacities and Specifications on
page 6-109for original equipment wheel nut
torque specifications.
Notice:Improperly tightened wheel nuts can leadto brake pulsation and rotor damage. To avoidexpensive brake repairs, evenly tighten the wheelnuts in the proper sequence and to the propertorque specification. SeeCapacities andSpecifications on page 6-109for the wheel nuttorque specification.
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14. Tighten the wheel nuts firmly in a crisscrosssequence as shown.
If your vehicle is equipped with wheel nut covers,screw the nut covers on with your fingers, thentighten one-quarter turn with the wheel wrench.
Notice:Wheel covers will not fit on your vehicle’scompact spare. If you try to put a wheel coveron the compact spare, the cover or the spare couldbe damaged.
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, storethe 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 compartmentin the trunk. For storage, the jack must be raiseduntil the screw end is flush with the edge of the jack.
The compact spare is for temporary use only. Replacethe compact spare tire with a full-size tire as soonas you can.
5-Wheel Nuts8-Wheel Nuts
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