42
country, you should utilize the braking
rower
of
the
engine
by shifting
to
a
lower
gear. For cars w
it
h
automatic
trans-
mission, use
position
"1"
or
"2".
IMPORTANT
It
is good
policy
to check the brakes
occasionally
when
driving to make sure
that
they are
working
properly
, es-
pecially if they have been subjected
to
heavy splashing
with water
or
if
you are driving
through
snow
or
salty
slush,
as
braking
power
may be
temporarily
reduced in
conditions
of
this kind. The brake system is equipped
with power assist,
buttheadded
power
from
this is
only
available when the engine is
running
. It takes
much
greater pressure on the pedal
to
brake the
car
when
the engine is switched
off
.
HANDBRAKE
The hand brake lever
is
located between the
front
seats.
The hand brake operates on the
front
wheels. A red
warn-
ing
light
glows
when the hand brake is on and the
ignition
key
is
in
the K position.
..
~
~
-
.
~""
..
---:..
~
"
-
~
WHEELS AND TIRES
Cars leaving the factory are equipped
with
tubeless
radial tires.
Sizes:
Saab
99 L 165SR15 textile
cord
except
Calif
. See
Techni-
cal Data Section.
Saab 99 EMS 165SR15 with steel
cord
.
When a
tubeless
tire
suffers a puncture, the
air
usually
escapes very slowly,
as
the internal pressure tends
to
seal
the hole in the synthetic
rubber
.
Fitting and repair
of
tubeless tires should be entrusted
to a
workshop
equipped to handle such work.
The tires incorporate a profile depth
indicator;
when
the tread pattern
is
worn
down
to
1/16"
(1.6mm), unpat-
terned cross bars appear. This is a signal that it is
time
to fit
new
tires.
T
ir
e pressures
Check the tire pressures regularly. See Technical Data
Section
for
pressures.
Overinflated tires give a
bumpy
ride and
wear
exces-
sively at the center
of
the tread. Underinflated tires
suffer heavy wear on the shoulders and
may
cause the
car to sway when cornering.
A correctly inflated tire wears evenly and
grips
the road
over the
full
width
of
the tread and thus assists
good
road
holding.
Rotation of wheels and tires
The front-wheel drive causes the
front
tires
to
wear
more than the rear tires.
If it
is
desired
to
have the tires
wear evenly, they should be changed around
after
a cer-
tain period
of
driving so that the least
worn
tires are at
the front. By switching the tires in this manner, the
working
life
of
all
four
tires will remain
approximately
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