2008 CADILLAC CTS wheel

If the tire has been separated from the wheel, has
damaged sidewalls, or has a puncture larger than a
14inch (6 mm), the tire is too severely damaged for
the tire sealant and compressor kit to be effective.
SeeRoadside Service on page 7-7.
If the tire has a puncture less than a
14inch (6 mm)
in the tread area of the tire, seeTire Sealant and
Compressor Kit (With Sealant Selector Switch) on
page 5-84orTire Sealant and Compressor Kit
(Without Sealant Selector Switch) on page 5-93.
Tire Sealant and Compressor Kit
(With Sealant Selector Switch)
Your vehicle has a tire sealant and compressor kit that
is capable of temporarily sealing a puncture up to 6 mm in
the tread area of the tire. There is no jack or spare tire.
The kit inates the tire with liquid sealant and air. The tire
sealant and compressor kit can also be used to inate
an underinated tire. After the tire is inated to the
recommended ination pressure, seeInflation - Tire
Pressure on page 5-66for more information, the vehicle
must be driven for ve miles to distribute the sealant in
the tire and seal the puncture. After driving ve miles the
tire pressure must be rechecked and adjusted as needed.See Using the Tire Sealant and Compressor Kit later in
this section. Be sure to read and follow all of the tire
sealant and compressor kit instructions. The kit includes:
A. Selector Switch
B. On/Off Button
C. Air Pressure Gage
D. Tire Sealant
CanisterE. Air Compressor
Accessory Plug
F. Sealant/Air Hose
(Clear)
G. Air Only Hose
After temporarily sealing the tire sealant and compressor
kit, it is recommended to take your vehicle to an
authorized dealer/retailer as soon as possible. If the
sealant is removed within 100 miles (161 kilometers) of
driving, then it is easier to clean from the tire and you are
less likely to require a replacement tire.
5-84

Accessing the Tire Sealant and
Compressor Kit
A. Tire Sealant and Compressor Kit
B. Foam Container
C. Wing Nut
To access the tire sealant and compressor kit:
1. Open the trunk. SeeTrunk on page 2-21for more
information.
2. Locate the tire sealant and compressor kit (A) in the
center of the cargo area.3. Remove the tire sealant and compressor kit by
turning the wing nut (C counterclockwise).
4. Remove the sealant and compressor kit from its
foam container (B).
Tire Sealant
Read and follow the safe handling instructions on the
sealant canister.
The sealant can temporarily seal small punctures in the
tread area of the tire. The sealant cannot seal sidewall
damage, large punctures, or a tire that has unseated
from the wheel. SeeRoadside Service on page 7-7if
you need assistance.
The sealant can only be used to seal one tire. After
usage, the sealant canister and sealant lling hose
assembly must be replaced at a dealer/retailer. See
Removal and Installation of Sealant Canister later in
this section.
Check the tire sealant expiration date on the sealant
canister. The sealant might not be effective beyond
the expiration date. If needed, see your dealer/retailer
for a replacement canister.
5-85

Using the Tire Sealant and
Compressor Kit
Follow these directions closely for correct sealant
usage.
A. Selector Switch
B. On/Off Button
C. Air Pressure Gage
D. Tire Sealant
CanisterE. Air Compressor
Accessory Plug
F. Sealant/Air Hose
(Clear)
G. Air Only Hose1. Do a safety check before proceeding. SeeIf a Tire
Goes Flat on page 5-82.
2. Inspect the damaged tire.
The sealant cannot seal sidewall damage, large
punctures, or a tire that has unseated from
the wheel. SeeRoadside Service on page 7-7.
Do not remove any objects that have penetrated
the tire.
3. Place the sealant and compressor kit on the ground
and unwrap the sealant/air hose (F) hose from the
compressor.
The sealant/air hose (F) is the top, clear hose.
4. Remove the valve stem cap from the at tire by
turning it counterclockwise.
5. Attach the sealant lling hose (F) onto the tire valve
stem. Turn it clockwise until it is tight.
6. Unwrap and plug the air compressor accessory
plug (E) into an accessory power outlet in the
vehicle. SeeAccessory Power Outlet(s) on
page 3-22for more information.
Do not pinch the compressor accessory plug cord in
the door or window.
5-86

{CAUTION:
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.
18. Return the equipment to the proper storage location
in the trunk of your vehicle.
19. Immediately drive the vehicle 5 miles (8 km) to
distribute the sealant evenly in the tire. Stop at a
safe location and check the tire pressure, refer
to Steps 1 through 8 under “Using the Air
Compressor without Sealant” next in this section.20. If the tire pressure has fallen more then 10 psi
(68 kPa), below the recommended ination pressure,
stop driving the vehicle. The tire is too severely
damaged and the tire sealant and compressor kit
cannot seal the tire. SeeRoadside Service on
page 7-7for more information.
If the tire pressure has not dropped more than
10 psi (68 kPa) from the recommended ination
pressure, you can inate the tire back up to
the recommended ination pressure.
21. Wipe off any sealant from the wheel, tire, and
vehicle with a rag.
22. Dispose of the sealant canister at a local dealer/
retailer or in accordance with your local state codes
and practices.
After using the sealant canister, replace it with a
new canister from your dealer/retailer.
23. After temporarily sealing a tire with the tire sealant
and compressor kit, take your vehicle to your
dealer/retailer to have the tire inspected and
repaired.
5-89

The sealant can temporarily seal a puncture up to 6 mm
in the tread area of the tire ire. The sealant cannot
seal sidewall damage, large punctures, or a tire that
has unseated from the wheel. SeeRoadside Service
on page 7-7.
Using the Tire Sealant and Compressor
Kit to Temporarily Seal and Inate a
Punctured Tire
Follow these directions closely for correct sealant
usage.
1. Do a safety check before proceeding. SeeIf a Tire
Goes Flat on page 5-82.
2. Inspect the damaged tire.
The sealant cannot seal sidewall damage, large
punctures, or a tire that has unseated from
the wheel. SeeRoadside Service on page 7-7.3. Place the tire sealant and compressor kit on the
ground and unwrap the sealant/air hose (G) from
the side of the compressor.
4. Remove the tire valve stem cap from the at tire by
turning it counterclockwise.
5. Attach the sealant/air hose (G) onto the tire valve
stem. Turn it clockwise until it is tight.
Make sure the sealant and compressor kit On/Off
switch (D) is in the O (off) position.
6. Remove the air compressor accessory plug (C)
from the unit.
5-95

17. Place it in a highly visible location such as the
inside of the upper left corner of the windshield
or to the face of the radio/clock.
The maximum speed label reminds you to drive
cautiously and not to exceed 55 mph (90 km/h) until
you have the damaged tire inspected and repaired.
{CAUTION:
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.
18. Return the equipment to its original storage location
in your vehicle.
19. Immediately drive the vehicle 5 miles (8 km) to
distribute the sealant evenly in the tire.20. Stop at a safe location and check the tire pressure,
refer to Steps 1 through 11 under “Using the Tire
Sealant and Compressor Kit without Sealant
to Inate an Underinated Tire (Not Punctured)”
next in this section.
If the tire pressure has fallen more then 10 psi
(68 kPa), below the recommended ination pressure,
stop driving the vehicle. The tire is too severely
damaged and the tire sealant and compressor kit
cannot seal the tire. SeeRoadside Service on
page 7-7for more information.
If the tire pressure has not dropped more than
10 psi (68 kPa) from the recommended ination
pressure, inate the tire back up to the
recommended ination pressure.
21. Wipe off any sealant from the wheel, tire, and
vehicle.
22. Dispose of the sealant canister (B) and sealant/air
hose (G) assembly at a local dealer/retailer or in
accordance with your local state codes and
practices.
After using the sealant canister, replace it with a
new canister from your dealer/retailer.
23. After temporarily sealing a tire with the tire sealant
and compressor kit, take your vehicle to your
dealer/retailer to have the tire repaired or replaced.
5-98

To install a new sealant canister:
1. Align the sealant lling hose with the slot in the air
compressor.
2. Push the sealant canister down and turn it
clockwise.
3. Wrap the sealant lling hose around the air
compressor channel to stow it in its original location.
4. Push the air only hose onto the sealant canister inlet
and push the lever down.
Changing a Flat Tire
If a tire goes at, avoid further tire and wheel damage
by driving slowly to a level place. Turn on your vehicle’s
hazard warning ashers. SeeHazard Warning Flashers
on page 3-6for more information.
{CAUTION:
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 rmly.
2. Put the shift lever in P (Park).
3. Turn off the engine and do not restart
while the vehicle is raised.
4. Do not allow passengers to remain in the
vehicle.
CAUTION: (Continued)
5-102

CAUTION: (Continued)
To be even more certain the vehicle will not
move, you should 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.
When your vehicle has a at tire, use the following
example as a guide to assist you in the placement of
wheel blocks.
The following information tells you how to use the jack
and change a tire.
5-103