254 T ire s and w heel s
Never exceed th e m aximum infl ati on pres-
sure liste d on t he tire sidewall for any rea-
son.
Remembe r that the vehicle manufacturer, not
the tire manufacture r, dete rmines the correct
tire pressure for the tires on your vehicle.
It is important to check the tire pressu re when
the tires are cold .
- Read the requ ired t ire pressure from the tire
pressure label. On USA vehicles, the t ire
pressure label is located on the drive r's side
8-pillar. On Canada vehicles, the tire pres-
sure label is located either on the driver's
side 8-pi llar or inside the fuel filler flap. The
t ire press ure label lists the recommended
cold tire inflation pressures for the veh icle
at its max imum capacity weight and the
t ires that were on your vehicle at the time it
was manufactured. For recommended t ire
pressures for normal load conditions, please
see chapter ~
page 251.
- Turn the valve stem cap counter-clockwise
to remove it from the tire valve,
- Place the air pressure gauge on the valve.
- The tire pressures should only be checked
and adjusted when the tires are cold . The
sl ightly raised pressures of warm tires must
not be reduced.
- Adjust the tire pressure to the load you are
carrying.
- Reinstall the valve stem cap on the valve.
Whe n should I check the tire press ure?
The correct tire pressure is especially impor-
tant at high speeds. The pressure should
therefore be checked at least once a month
and always before start ing a journey. Do not
forget to check t he tire pressure for the spare
wheel.
When should I adjust the tire press ures?
Adj ust the tire pressure to the load you are
carry ing. After changing a wheel
or replacing
wheels you have to adjust the tire pressures
on all wheels. In addition, you must then init i-
alize the new tire pressures in the tire pres-
sure mon itor ing system*
Q page 265.
_& WARNING
Incorrect tire pressures and/or underinfla-
tion can lead sudden tire fa ilure, loss of
control, collision, serious personal injury
or even death.
- When the
RI] warn ing symbol appears in
the instrument cluster, stop and inspect
the t ires.
- Inco rrect tire pressure and/or underinfla-
tion can cause increased tire wear and
can affect t he hand ling of the vehicle and
stopping ability.
- Inco rrect tire pressures and/or underin-
f lation can a lso lead to sudden t ire fail-
ure, including a blowout and sudden de-
flation, causing loss of vehicle contro l.
- The drive r is responsible for the correct
tire pressures for all tires on the veh icle.
The applicable pressure values are locat -
ed on a sticker on the driver's side 8-pil-
lar or on the inside of the fuel filler flap.
- Only when all tires on the vehicle are fil-
led to the correct pressure, the tire pres-
sure monitoring system * can work cor-
rectly.
- The use of incorrect tire pressure va lues
can lead to accidents or other damage.
Therefore it is essential that the driver
observe the spec ified t ire pressure values
for the tires and the correct pressures for
the function of the t i re pressure monitor·
ing system*.
- Always inflate tires to the recommended
and correct t ire pressure before dr iving
off.
- Driving with underinf lated tires bend
mo re, letting them get too hot resulting
in tread separation, sudden t ire failure
and loss of cont rol.
- Excessive speed and/overloading can
cause heat build- up, sudden t ire failure
and loss of cont ro l.
- If the tire pressure is too low or t oo high,
the t ires will wear prema t urely and the
vehicle will not handle well.
- If the tire is not flat and you do not have
to change a wheel immedia t ely, drive at
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