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Practical tips
that the seat heating or the rear window
heat
er is not working, they may have been
temporarily switched off or regulated to a
lower heat output. These systems will be
available again as soon as sufficient electri-
cal power is available.
You may also notice that the engine runs at a
slightly faster idling speed when necessary.
This is quite normal, and no cause for con-
cern. The increased idling speed allows the
alternator to meet the greater power require-
ment and charge the battery at the same
time.
Wheels
Wheel
s and tyres
General notes
–
When driving with ne
w tyres, be especially
careful during the first 500 km (300 miles).
–
If you have to drive over a kerb or similar
obstacle, drive very slowly and as near as
possible at a right angle to the obstacle.
–
Check from time to time if the tyres are
damaged (punct
ures, cuts, cracks or
dents). Remove any foreign objects em-
bedded in the treads.
–
Damaged wheels and tyres must be re-
placed immediately.
–
Keep grease, oil and fuel off the tyres.
–
Replace any missing valve caps as soon as
possible.
–
Mark the wheels before taking them off so
that they rotate in the same direction when
put back.
–
When removed, the wheels or tyres should
be stored in a cool, dry and preferably dark
place.
Low profile tyres
Low profile tyres have a wider tread, a larger
wheel diameter and a lower sidewall height.
Therefore, its driving behaviour is more agile.
Low profile tyres may deteriorate more quick-
ly than standard tyres, for instance due to
strong knocks, potholes, manhole covers and
kerbs. Correct tyre pressure is very important
›››
page 347.
To avoid damage to tyres and wheels, drive
with special care when driving on roads in
poor condition.
Visually check your wheels every 3000 km.
If the tyres or rims have received a heavy im-
pact or have been damaged, have a special-
ised workshop check whether or not it is nec-
essary to change the tyre.
Low profile tyres may deteriorate more quick-
ly than standard tyres.
Concealed damage
Damage to tyres and rims is often not readily
visible. If you notice unusual vibration or the
car pulling to one side, this may indicate
that one of the tyres is damaged. Reduce
speed immediately if there is any reason to
suspect that damage may have occurred. In-
spect the tyres for damage. If no external
damage is visible, drive slowly and carefully
to the nearest specialised workshop and
have the car inspected.
344
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