Infiniti QX: Tire pressure
Tire Pressure Monitoring System (TPMS)
This vehicle is equipped with the Tire Pressure Monitoring System (TPMS). It monitors tire pressure of all tires except the spare. When the low tire pressure warning light is lit and the CHECK TIRE PRESSURE warning (if so equipped) appears in the dot matrix liquid crystal display, one or more of your tires is significantly under-inflated. The TPMS will activate only when the vehicle is driven at speeds above 16 MPH (25 km/h). Also, this system may not detect a sudden drop in tire pressure (for example a flat tire while driving). For more details, see “Low tire pressure warning light” in the “2. Instruments and controls” section, “Tire Pressure Monitoring System (TPMS)” in the “5. Starting and driving” section and “Tire Pressure Monitoring System (TPMS) ” in the “6. In case of emergency” section.
Tire inflation pressure
Check the pressure of the tires
(including the spare) often and always
prior to long distance trips. The
recommended tire pressure specifications
are shown on the Tire and
Loading Information label under the
“Cold Tire Pressure” heading. The
Tire and Loading Information label is
affixed to the driver side center pillar.
Tire pressures should be checked
regularly because:
► Most tires naturally lose air over
time.
► Tires can lose air suddenly when
driven over potholes or other
objects or if the vehicle strikes a
curb while parking.
The tire pressures should be checked
when the tires are cold. The tires are
considered COLD after the vehicle
has been parked for 3 or more hours,
or driven less than 1 mile (1.6 km) at
moderate speeds.
TPMS with Tire Inflation Indicator provides visual and audible signals outside the vehicle for inflating the tires to the recommended COLD tire pressure. (See “TPMS with Tire Inflation Indicator” in the “5. Starting and driving” section about the TPMS with Tire Inflation Indicator.)
Incorrect tire pressure, including under inflation, may adversely affect tire life and vehicle handling.
WARNING
► Improperly inflated tires can fail
suddenly and cause an accident.
► The Gross Vehicle Weight rating
(GVWR) is located on the F.M.V.S.
S./C.M.V.S.S. certification label.
The vehicle weight capacity is
indicated on the Tire and Loading
Information label. Do not load
your vehicle beyond this capacity.
Overloading your vehicle may result
in reduced tire life, unsafe
operating conditions due to premature
tire failure, or unfavorable
handling characteristics and could
also lead to a serious accident.
Loading beyond the specified capacity
may also result in failure of
other vehicle components.
► Before taking a long trip, or
whenever you heavily load your
vehicle, use a tire pressure gauge
to ensure that the tire pressures
are at the specified level.
► For additional information regarding
tires, refer to “Important Tire
Safety Information” (US) or “Tire
Safety Information” (Canada) in
the Warranty Information Booklet.
Tire and Loading Information label
1 Seating capacity: The maximum number of occupants that can be seated in the vehicle. 2 Vehicle load limit: See “Vehicle loading information”in the “9. Technical and consumer information” section. 3 Original size: The size of the tires originally installed on the vehicle at the factory. 4 Cold tire pressure: Inflate the tires to this pressure when the tires are cold. Tires are considered COLD after the vehicle has been parked for 3 or more hours, or driven less than 1 mile (1.6 km) at moderate speeds. The recommended cold tire inflation is set by the manufacturer to provide the best balance of tire wear, vehicle handling, driveability, tire noise, etc., up to the vehicle’s GVWR. 5 Tire size — see “Tire labeling” later in this section. 6 Spare tire size or compact spare tire size (if so equipped)
Checking the tire pressure
1. Remove the valve stem cap from the tire. 2. Press the pressure gauge squarely onto the valve stem. Do not press too hard or force the valve stem sideways, or air will escape. If the hissing sound of air escaping from the tire is heard while checking the pressure, reposition the gauge to eliminate this leakage. 3. Remove the gauge. 4. Read the tire pressure on the gauge stem and compare it to the specification shown on the Tire and Loading Information label. 5. Add air to the tire as needed. If too much air is added, press the core of the valve stem briefly with the tip of the gauge stem to release pressure. Recheck the pressure and add or release air as needed. 6. Install the valve stem cap. 7. Check the pressure of all other tires, including the spare.
Wheels and tires
If you have a flat tire, see “Flat tire”. In case of emergency” section. ...Tire labeling
Federal law requires tire manufacturers to place standardized information on the sidewall of all tires. This information identifies and describes the fundamental characteristics of the tir ...See also:
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states, the District of Columbia, the U.S.
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