Brake System - Volvo S40 Owner's Manual

2007 Volvo S40
Tire dimensions
Volvo recommends that you always drive on tires of the same brand, size, construction (radial), tread
pattern, load-, speed-, traction- , temperature-, and treadwear rating. Never drive on mixed tires, except
for brief periods when the temporary spare tire is in use.
Always use properly inflated tires of correct dimensions. Tire size and inflation pressures are shown on a
placard located on the driver's side B-pillar (the structural member at the side of the vehicle, at the rear of
the driver's door opening). See also the tire inflation pressure tables beginning on
Temporary Spare
The temporary spare tire is for temporary, low-speed, short-distance use only. Replace it with a full-sized
tire as soon as possible. Do not drive on the temporary spare at speeds above 50 m.p.h. (80 km/h) or for
distances greater than 50 miles (80 km).
Never install snow chains on a temporary spare.
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06 Starting and driving

Brake system

Brake circuit malfunction
The brake system is a hydraulic system consisting of two separate brake circuits. If a problem should
occur in one of these circuits, it is still possible to stop the vehicle with the other brake circuit.
If the brake pedal must be depressed farther than normal and requires greater foot pressure, the stopping
distance will be longer.
A warning light in the instrument panel will light up to warn the driver that a fault has occurred.
If this light comes on while driving or braking, stop immediately and check the brake fluid level in the
reservoir.
NOTE
Press the brake pedal hard and maintain pressure on the pedal - do not pump the
brakes.
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