Vauxhall 2013 INSIGNIA Owner's Manual download pdf (Page 220)

Vehicle care 219

Temperature compensation

Cold tyres decrease the tyre

pressure, warm tyres increase the

tyre pressure. The tyre pressure

monitoring system considers this

effect for the warning messages.

The tyre pressure value displayed in

the Driver Information Centre shows

the actual tyre pressure. Therefore it

is important to check tyre pressure

with cold tyres.

Tread depth

Check tread depth at regular

intervals.

Tyres should be replaced for safety

reasons at a tread depth of 2-3 mm

(4 mm for winter tyres).

For safety reasons, it is

recommended that the tread depth of

the tyres on one axle should not vary

by more than 2 mm.

The legally permissible minimum

tread depth (1.6 mm) has been

reached when the tread has worn

down as far as one of the tread wear

indicators (TWI). Their position is

indicated by markings on the

sidewall.

If there is more wear at the front than

the rear, swap round front wheels and

rear wheels periodically. Ensure that

the direction of rotation of the wheels

remains the same.

Tyres age, even if they are not used.

We recommend tyre replacement

every 6 years.

Changing tyre and wheel

size

If tyres of a different size than those

fitted at the factory are used, it may be

necessary to reprogramme the

speedometer as well as the nominal

tyre pressure and make other vehicle

modifications.

After converting to a different tyre

size, have the label with tyre

pressures replaced.

9 Warning

Use of unsuitable tyres or wheels

may lead to accidents and will

invalidate the vehicle type

approval.

Wheel covers

Wheel covers and tyres that are

factory approved for the respective

vehicle and comply with all of the

relevant wheel and tyre combination

requirements must be used.

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