Saab 9-5 2011 Owner's Manual page 222

Tread Depth
Notice
Make sure you are familiar with the
legal limit for minimum tread depth in
your country and also any regula‐
tions governing the use of winter
(snow) tires.
Check tread depth at regular inter‐
vals.
Tires should be replaced for safety
reasons at a tread depth of
0.08-0.1 inches (0.16 inches for win‐
ter tires).
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.
Tires age, even if they are not used.
We recommend tire replacement
every 6 years.
Treadwear indicators
The tires incorporate wear indicators
in the form of smooth, treadless strips
across the width, which become visi‐
ble when only 2/32 inches of tread re‐
mains. As soon as the indicators be‐
come visible, new tires should be fit‐
ted without delay.
When it is time for new tires
One way to tell when it's time for new
tires is to check the treadwear indica‐
tors, which will appear when your tires
have only 1/16 inch or less of tread
remaining.
Vehicle care
You need a new tire if any of the fol‐
lowing statements are true:
■ You can see the indicators at three
or more places around the tire.
■ You can see cord or fabric showing
through the tire's rubber.
■ The tread or sidewall is cracked, cut
or snagged deep enough to show
cord or fabric.
■ The tire has a bump, bulge or split.
■ The tire has a puncture, cut or other
damage that can't be repaired well
because of the size or location of
the damage.
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