2013 DODGE VIPER inflation pressure

CAUTION!
After inspecting or adjusting the tire pressure, al-
ways reinstall the valve stem cap. This will prevent
moisture and dirt from entering the valve stem,
which could damage the valve stem.
Inflation pressures specified on the placard are always
“cold tire inflation pressure.” Cold tire inflation pressure
is defined as the tire pressure after the vehicle has not
been driven for at least three hours, or driven less than 1
mile (1.6 km) after a three hour period. The cold tire
inflation pressure must not exceed the maximum infla-
tion pressure molded into the tire sidewall.
Check tire pressures more often if subject to a wide range
of outdoor temperatures, as tire pressures vary with
temperature changes. Tire pressures change by approximately 1 psi (7 kPa) per
12°F (7°C) of air temperature change. Keep this in mind
when checking tire pressure inside a garage, especially in
the winter.
Example: If garage temperature = 68°F (20°C) and the
outside temperature = 32°F (0°C) then the cold tire
inflation pressure should be increased by 3 psi (21 kPa),
which equals 1 psi (7 kPa) for every 12°F (7°C) for this
outside temperature condition.
Tire pressure may increase from 2 to 6 psi (13 to 40 kPa)
during operation. DO NOT reduce this normal pressure
build up or your tire pressure will be too low.
5
STARTING AND OPERATING 239

Tire Pressures For High Speed Operation
The manufacturer advocates driving at safe speeds
within posted speed limits. Where speed limits or condi-
tions are such that the vehicle can be driven at high
speeds, maintaining correct tire inflation pressure is very
important. Increased tire pressure and reduced vehicle
loading may be required for high-speed vehicle opera-
tion. Refer to original equipment or an authorized tire
dealer for recommended safe operating speeds, loading
and cold tire inflation pressures.
WARNING!
High speed driving with your vehicle under maxi-
mum load is dangerous. The added strain on your
tires could cause them to fail. You could have a
serious collision. Do not drive a vehicle loaded to the
maximum capacity at continuous speeds above
75 mph (120 km/h).
Radial Ply Tires
WARNING!
Combining radial ply tires with other types of tires
on your vehicle will cause your vehicle to handle
poorly. The instability could cause a collision. Al-
ways use radial ply tires in sets of four. Never
combine them with other types of tires.
Cuts and punctures in radial tires are repairable only in
the tread area because of sidewall flexing. Consult your
authorized tire dealer for radial tire repairs.
Tire Spinning
When stuck in mud, sand, snow, or ice conditions, do not
spin your vehicle’s wheels above 30 mph (48 km/h) or
for longer than 30 seconds continuously without stop-
ping when you are stuck.
240 STARTING AND OPERATING

Life Of Tire
The service life of a tire is dependent upon varying
factors including, but not limited to:
•Driving style
• Tire pressure
• Distance driven
• Performance tires, tires with a speed rating of V or
higher, and summer tires, typically have a reduced
tread life. Rotation of these tires per the vehicle main-
tenance schedule is highly recommended.
WARNING!
Tires and the spare tire should be replaced after six
years, regardless of the remaining tread. Failure to
follow this warning can result in sudden tire failure.
You could lose control and have a collision resulting
in serious injury or death.
Keep dismounted tires in a cool, dry place with as little
exposure to light as possible. Protect tires from contact
with oil, grease, and gasoline.
Replacement Tires
The tires on your new vehicle provide a balance of many
characteristics. They should be inspected regularly for
wear and correct cold tire inflation pressure. The manu-
facturer strongly recommends that you use tires equiva-
lent to the originals in size, quality and performance
when replacement is needed. (Refer to the paragraph on
“Tread Wear Indicators”). Refer to the “Tire and Loading
242 STARTING AND OPERATING

readings to the receiver module. It is particularly impor-
tant for you to check the tire pressure in all of the tires on
your vehicle monthly and to maintain the proper pres-
sure. The TPMS consists of the following components:•
Receiver module, •Four TPM sensors, •Various TPMS
messages, which display in the Electronic Vehicle Infor-
mation Center (EVIC), and •TPM Telltale Light The
matching full size spare wheel and tire assembly (if
equipped) has a TPM sensor.
Tire Pressure Monitoring Low Pressure Warnings
The TPM Telltale Light will illuminate in the
instrument cluster and a chime will sound when
tire pressure is low in one or more of the four active road
tires. In addition, the EVIC will display a LOW TIRE
message and a graphic showing the pressure values of
each tire with the low tire pressure values flashing or
changing color. Should this occur, you should stop as soon as possible
and inflate the tires with a low pressure condition (those
flashing or in a different color in the EVIC graphic) to the
vehicle’s recommended cold placard pressure inflation
value. Once the system receives the updated tire pres-
sures, the system will automatically update, the graphic
display in the EVIC will stop flashing or change color
back to the original color, and the TPM Telltale Light will
turn off. The vehicle may need to be driven for up to 20
minutes above 15 mph (24 km/h) in order for the TPMS
to receive this information.
246 STARTING AND OPERATING

NOTE:If the Mode Select Knob (5) is on Air Mode and
the pump is operating, air will dispense from the Air
Pump Hose (7) only, not the Sealant Hose (6).
If the sealant (white fluid) does flow through the
Sealant Hose (6):
1. Continue to operate the pump until sealant is no longer flowing through hose (typically takes 30 - 70
seconds). As the sealant flows through the Sealant
Hose (6), the Pressure Gauge (3) can read as high as 70
psi (5 Bar). The Pressure Gauge (3) will decrease
quickly from approximately 70 psi (5 Bar) to the actual
tire pressure when the Sealant Bottle (1) is empty.
2. The pump will start to inject air into the tire immedi- ately after the Sealant Bottle (1) is empty. Continue to
operate the pump and inflate the tire to the pressure
indicated on the tire pressure label on the driver-side
latch pillar (recommended pressure). Check the tire
pressure by looking at the Pressure Gauge (3). If the tire does not inflate to at least 26 psi (1.8 Bar)
pressure within 15 minutes:
•
The tire is too badly damaged. Do not attempt to drive
the vehicle further. Call for assistance.
NOTE: If the tire becomes over-inflated, press the Defla-
tion Button to reduce the tire pressure to the recom-
mended inflation pressure before continuing.
If the tire inflates to the recommended pressure or is at
least 26 psi (1.8 Bar) pressure within 15 minutes:
1. Press the Power Button (4) to turn off the TIREFIT kit.
2. Remove the Speed Limit sticker from the top of the Sealant Bottle (1) and place the sticker on the instru-
ment panel.
266 WHAT TO DO IN EMERGENCIES

1. Turn the Mode Select Knob (5) to the Air Modeposition.
2. Uncoil the power plug and insert the plug into the vehicle’s 12 Volt power outlet.
3. Uncoil the Air Pump Hose (7) (black in color) and screw the fitting at the end of hose (7) onto the valve
stem.
4. Check the pressure in the tire by reading the Pressure Gauge (3).
If tire pressure is less than 19 psi (1.3 Bar), the tire is too
badly damaged. Do not attempt to drive the vehicle
further. Call for assistance.
If the tire pressure is 19 psi (1.3 bar) or higher:
1.
Press the Power Button (4) to turn on TIREFIT and inflate
the tire to the pressure indicated on the tire and loading
information label on the driver-side door opening.
NOTE: If the tire becomes over-inflated, press the Defla-
tion Button to reduce the tire pressure to the recom-
mended inflation pressure before continuing.
2. Disconnect the TIREFIT kit from the valve stem, reinstall the cap on the valve stem and unplug from 12
Volt outlet.
3. Place the TIREFIT kit in its proper storage area in the vehicle.
4. Have the tire inspected and repaired or replaced at the earliest opportunity at an authorized dealer or tire
service center.
5.
Replace the Sealant Bottle (1) and Sealant Hose (6)
assembly at your authorized dealer as soon as possible.
Refer to “(F) Sealant Bottle and Hose Replacement.”
NOTE: When having the tire serviced, advise the autho-
rized dealer or service center that the tire has been sealed
using the TIREFIT service kit.
268 WHAT TO DO IN EMERGENCIES

Tilt Steering Column...................... .124
Time Delay, Headlight ......................116
Tire and Loading Information Placard ...........232
TIREFIT ............................... .259
Tire Markings ........................... .227
Tires...................................63 Aging (Life of Tires) .....................242
Air Pressure ......................... .237
General Information .....................237
High Speed .......................... .240
Inflation Pressures ..................... .238
Life of Tires .......................... .242
Load Capacity ........................ .232
Pressure Monitor System (TPMS) ...........245
Pressure Warning Light ..................157
Quality Grading ...................... .351
Radial .............................. .240
Replacement ......................... .242
Rotation ............................ .244Safety
.............................. .227
Sizes ............................... .228
Snow Tires .......................... .244
Spinning ............................ .240
Storage ............................. .244
Tread Wear Indicators ...................241
Tire Safety Information .....................227
Towing ............................... .254
24-Hour Towing Assistance ................85
Disabled Vehicle ...................... .274
Recreational ......................... .254
Towing Assistance .........................85
Traction ................................211
Traction Control ......................... .223
Trailer Towing .......................... .254
Transmission ........................... .301
Fluid .............................. .323
Shifting ............................. .205
T

ransmitter Battery Service (Remote Keyless Entry) . .19
366 INDEX