Page 399 of 496

Black plate (81,1)Cadillac CTS/CTS-V Owner Manual - 2011
Vehicle Care 10-81
Tire Rotation
Tire rotation is not
recommended if the vehicle has
P235/50R18, 245/45ZR19 or
255/40R19 size tires on the front
wheels and P265/45R18, 275/
40ZR19 or 285/35R19 size tires
on the rear wheels.
Different tire sizes should not be
rotated front to rear. Each tire
and wheel should only be used
in its original front or rear
position.
Tire rotation is recommended if
the vehicle has the same size
tires on all four wheel positions.
These tires should be rotated
every 12 000 km (7,500 miles).
SeeScheduled Maintenance
on
page 11‑3
. The purpose of a regular tire
rotation is to achieve a uniform
wear for all tires on the vehicle.
This will ensure that the vehicle
continues to perform most like it
did when the tires were new.
Any time you notice unusual
wear, rotate the tires as soon as
possible and check wheel
alignment. Also check for
damaged tires or wheels.
SeeWhen It Is Time for New
Tires
on page 10‑82and
Wheel
Replacement
on page 10‑88.
Use the rotation pattern shown
here when rotating tires of the
same size installed on all four
wheel positions.
The compact spare tire, if the
vehicle has one, is not included
in the tire rotation.
Page 409 of 496

Black plate (91,1)Cadillac CTS/CTS-V Owner Manual - 2011
Vehicle Care 10-91
{WARNING
Changing a tire can be
dangerous. The vehicle can slip
off the jack and roll over or fall on
you or other people. You and they
could be badly injured or even
killed. Find a level place to
change your tire. To help prevent
the vehicle from moving:1. Set the parking brake firmly.
2. Put an automatic transmission shift lever in
P (Park), or shift a manual
transmission to 1 (First) or
R (Reverse).
3. Turn off the engine and do not restart while the vehicle
is raised.
4. Do not allow passengers to remain in the vehicle.
(Continued)
WARNING (Continued)
To be certain the vehicle will not
move, put blocks at the front and
rear of the tire farthest away from
the one being changed. That
would be the tire on the other
side, at the opposite end of the
vehicle.
This vehicle may come with a jack
and spare tire or a tire sealant and
compressor kit. To use the jacking
equipment to change a spare tire
safely, follow the instructions below.
Then see Tire Changing
on
page 10‑102. To use the tire sealant
and compressor kit, see Tire
Sealant and Compressor Kit
on
page 10‑92. When the vehicle has a flat tire (B),
use the following example as a
guide to assist you in the placement
of wheel blocks (A).
A. Wheel Block
B. Flat Tire
The following information explains
how to repair or change a tire.
Page 410 of 496

Black plate (92,1)Cadillac CTS/CTS-V Owner Manual - 2011
10-92 Vehicle Care
Tire Sealant and
Compressor Kit
{WARNING
Idling a vehicle in an enclosed
area with poor ventilation is
dangerous. Engine exhaust may
enter the vehicle. Engine exhaust
contains Carbon Monoxide (CO)
which cannot be seen or smelled.
It can cause unconsciousness
and even death. Never run the
engine in an enclosed area that
has no fresh air ventilation. For
more information, seeEngine
Exhaust on page 9‑24.
{WARNING
Over-inflating a tire could cause
the tire to rupture and you or
others could be injured. Be sure
to read and follow the tire sealant
(Continued)
WARNING (Continued)
and compressor kit instructions
and inflate the tire to its
recommended pressure. Do not
exceed the recommended
pressure.
{WARNING
Storing the tire sealant and
compressor kit 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 the tire
sealant and compressor kit in its
original location. If this vehicle has a tire sealant and
compressor kit, there may not be a
spare tire, tire changing equipment,
and on some vehicles there may not
be a place to store a tire.
The tire sealant and compressor
can be used to temporarily seal
punctures up to 6 mm (¼ inch) in
the tread area of the tire. It can also
be used to inflate an under
inflated tire.
If the tire has been separated from
the wheel, has damaged sidewalls,
or has a large puncture, the tire is
too severely damaged for the tire
sealant and compressor kit to be
effective. See
Roadside Service
on
page 13‑7.
Read and follow all of the tire
sealant and compressor kit
instructions.
Page 420 of 496
Black plate (102,1)Cadillac CTS/CTS-V Owner Manual - 2011
10-102 Vehicle Care
Storing the Tire Sealant
and Compressor Kit
(Sedan)
The tire sealant and compressor kit
is located in the trunk.
A. Tire Sealant andCompressor Kit
B. Foam Container
C. Wing Nut
1. Open the trunk. See Trunk
(Sedan, Coupe)
on page 2‑17. 2. Locate the tire sealant and
compressor kit (A) in the center
of the cargo area.
3. Remove the wing nut (C) that holds the tire sealant and
compressor kit (A) in place.
4. Remove the tire sealant and compressor kit (A) from the foam
container (B).
To store the tire sealant and
compressor kit, reverse the steps.
Tire Changing
Removing the Spare Tire and
Tools (Sedan)
Sedan
A. Wing Nut
B. Spare Tire
C. Jack
D. Wheel Wrench
E. Extension
F. Strap
Page 421 of 496
Black plate (103,1)Cadillac CTS/CTS-V Owner Manual - 2011
Vehicle Care 10-103
To access the spare tire and jacking
equipment:
1. Remove the spare tire cover.
2. Remove the stow rod cap bypulling it straight up off of
the rod.
3. Turn the wing nut (A) on the compact spare tire (B)
counterclockwise to remove.
4. Remove the spare tire and place it next to the flat tire.
5. The tools you will be using next include the jack (C), wheel
wrench (D), and extension (E).Removing the Spare Tire and
Tools (Wagon)
A. Wing Nut
B. Spare Tire
C. Jack
D. Subwoofer
E. Wheel Wrench
F. Extension
G. Cable
Page 422 of 496

Black plate (104,1)Cadillac CTS/CTS-V Owner Manual - 2011
10-104 Vehicle Care
To access the spare tire and jacking
equipment:
1. Remove the spare tire cover.
2. Remove the subwoofer (D),if the vehicle has one.
To remove the subwoofer:
2.1. Turn the nut (A) counterclockwise to
remove.
2.2. Disconnect the connector wire.
2.3. Pull the subwoofer (D) up to remove it from the stow rod.
3. Remove the spare tire (B) and place it next to the flat tire.
4. Remove the jack (C), wheel wrench (E), and extension (F). To remove the jack:
1. Remove the retainer nut (A).
2. Remove the jack stowage
bracket (B).
3. Slide the jack (C) forward to remove it from the floor storage
bracket.
Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check beforeproceeding. See If a Tire Goes
Flat on page 10‑90
2. Loosen the wheel nuts, but do not remove them yet, using the
wheel wrench. Turn the handle
about 180 degrees, then return
the handle back to the starting
position. This avoids taking the
wrench off the lug nut for
each turn.
Page 424 of 496

Black plate (106,1)Cadillac CTS/CTS-V Owner Manual - 2011
10-106 Vehicle Care
Notice:If you position the jack
under the rocker molding and
attempt to raise the vehicle, you
could break the molding and/or
cause other damage to your
vehicle. Always position the jack
so that when the jack head is
raised, it will fit firmly in the notch
located inboard from the rocker
molding.
5. Turn the wheel wrench
counterclockwise to lower the
jack lift head until the jack fits
under the vehicle.
6. Raise the jack by turning thewheel wrench clockwise until the
slots in the jack head fit into the
metal flange located behind the
V‐shaped locating notches on
the plastic molding as shown.
7. Put the compact spare tire near you.
8. Raise the vehicle by turning the wheel wrench clockwise. Raise
the vehicle far enough off the
ground for the compact spare
tire to fit under the vehicle.9. Remove all the wheel nuts and
the flat tire.
{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
(Continued)
Page 425 of 496

Black plate (107,1)Cadillac CTS/CTS-V Owner Manual - 2011
Vehicle Care 10-107
WARNING (Continued)
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. SeeIf a Tire Goes Flat
on page 10‑90.
{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.10. Remove any rust or dirt from
the wheel bolts, mounting
surfaces, and spare wheel.
11. Install the spare tire.
12. Put the wheel nuts back on with the rounded end of the
nuts toward the wheel.
13. Tighten each wheel nut by turning it clockwise with your
hand until the wheel is held
against the hub.
14. Lower the vehicle by turning the wheel wrench
counterclockwise. 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. See Capacities and
Specifications
on page 12‑2for
original equipment wheel nut
torque specifications.
Notice: Improperly tightened
wheel nuts can lead to brake
pulsation and rotor damage. To
avoid expensive brake repairs,
evenly tighten the wheel nuts in
the proper sequence and to the
proper torque specification. See
Capacities and Specifications
on
page 12‑2for the wheel nut
torque specification.