Vauxhall Insignia 2009 Manuel du propriétaire télécharger pdf (Page 182)

Vehicle care 181

The tyre pressure monitoring system

valve cores and sealing rings must be

replaced each time the tyres are

changed.

Adaptive threshold function

The tyre pressure monitoring system

automatically detects if the vehicle is

driven with a tyre pressure

appropriate for a load of up to

3 people or for a full load.

If the tyre pressure must be reduced,

switch off ignition first.

Auto learn function

After changing wheels the vehicle has

to be stationary for approx.

20 minutes before the system

recalculates. The following relearn

process takes up to 10 minutes of

driving with a minimum speed of

12 mph (20 km/h). In this case $ can

be displayed or pressure values can

swap in the Driver Information Center.

If problems occur during the relearn

process a warning message is

displayed in the Driver Information

Center.

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 Center 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).

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. Ensure that the direction

of rotation of the wheels is the same

as before.

Tyres age, even if they are not used.

We recommend tyre replacement

every 6 years.

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