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Instruments and controls
Indicator and warning symbols
Stability systems STC and
DSTC
1
The STC/DSTC system contains several dif-
ferent functions that are described in more
detail on page 123.
The symbol lights and goes out again
after approx. two seconds
The symbol is lit for a system check
when the car is started.
The symbol flashes
The SC function acts to prevent the
car’s drive wheels from spinning.
The TC function acts to improve the
car’s traction.
The AYC function acts to prevent skidding.
The warning symbol shines with a
steady amber glow
TRACTION CONTROL
TEMPORARILY OFF is shown in
the information display together with
the symbol.
The TC function has been temporarily sup-
pressed because the brake temperature is
too high.
Automatic reactivation of the function takes
place when the brake temperature has
returned to normal.
The warning symbol shines with a
steady amber glow
ANTI-SKID SERVICE REQUIRED
appears in the information display
together with the symbol. The STC
or DSTC system has been switched
off because of a fault.
– Stop the car in a safe place and turn off
the engine.
– Restart the engine.
If the warning symbol remains lit, drive to an
authorised Volvo workshop to have the
system checked.
Fault in the STC/DSTC systems
A symbol that lights and shines with
a constant glow and the message
"ANTI-SKID SERVICE REQUIRED"
displayed without any of the systems
being switched off is an indication of a system
fault.
– Stop the car in a safe place and switch off
the engine. Restart the engine.
If the warning symbol goes out, the fault was
temporary and it is not necessary to visit a
workshop.
If the warning symbol remains lit, drive to an
authorised Volvo workshop to have the
system checked.
1. Option in certain markets. Standard
on V70 R.
WARNING!
Under normal driving conditions, the
STC/DSTC system improves the car’s
road safety, but this is not an indication to
increase speed. Always follow normal
safety precautions for cornering and
driving on slippery surfaces.