Saab 9-4X Owner Manual - 2011
9-36 Driving and Operating
Electronic Stability
Program (ESP)
The vehicle may have a
vehicle stability enhancement
system called Electronic Stability
Program (ESP). It is an advanced
computer‐controlled system that
assists with directional control of the
vehicle in difficult driving conditions.
ESP activates when the computer
senses a difference between the
intended path and the direction the
vehicle is actually traveling. ESP
selectively applies braking pressure
at any one of the vehicle brakes to
help steer the vehicle in the
intended direction.
ESP comes on automatically
whenever the vehicle is started.
To assist with directional control of
the vehicle, the system should
always be left on.
TCS/ESP Light
When the ESP system
activates,
d flashes on the
instrument panel. This also occurs
when traction control is activated.
A noise may be heard or vibration
may be felt in the brake pedal. This
is normal. Continue to steer the
vehicle in the intended direction.
If there is a problem detected with
ESP, SERVICE ESP is displayed on
the Driver Information Center (DIC).
See Ride Control System Messages
on page 5‑39. When this message
is displayed and
d comes on and
stays on, the vehicle is safe to drive
but the system is not operational.
Driving should be adjusted
accordingly.
If
d comes on and stays on, reset
the system by:
1. Stopping the vehicle.
2. Turning the engine off and
waiting 15 seconds.
3. Starting the engine.
If
d still comes on and stays on,
the vehicle needs service.
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