Range Rover Evoque: Tyre pressure compensation for low ambient temperature changes
A colder ambient local temperature will reduce
pressure within the tyre. An effect is to
decrease sidewall height and to increase tyre
shoulder wear with the potential for tyre failure.
Vehicle dynamics could also be adversely
affected.
Tyre pressures can be adjusted to compensate
before the start of the journey. Alternatively,
tyre pressures can be adjusted when the area
of lower ambient temperature is reached.
In this situation, the vehicle must be left in the
ambient local temperature for at least one hour
before tyre pressure is adjusted.
To compensate for colder ambient
temperatures, tyre pressures should be
increased by 0.14 bar (2 psi, 14 kPa) for each
10°C (20°F) decrease.
Note: Ensure that correct tyre pressures are
maintained when moving to areas of differing
ambient temperature.
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In order to minimise flat spotting, the tyre
pressures can be increased to the maximum as
stated on the tyre sidewall, for the period when
the vehicle is stationary. Tyres must be
returned to the
Tyres degrade over time due to the effects of
ultraviolet light, extreme temperatures, high
loads, and environmental conditions. It is
recommended that tyres are replaced at least
every six years,
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Principles of Operation
For a detailed description of the Communications Network, refer to the
relevant Description and Operation sections in the
workshop manual.
Inspection and Verification
CAUTIONS:
Diagnosis by substitution from a donor vehicle is NOT acceptable.
Substitution of control modules
A number of different driving modes are available. Some can be selected by
the driver and some are automatically initiated
by the TCM to adapt to different driving conditions.
Normal
Sports
Manual 'CommandShift'
Cooling
Hill Descent Control (HDC)
Cruise
Limp home
Coast
Fast off recognitio
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