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The AdvanceTrac system includes
one of these stability control
switches located on the instrument
panel.
The stability control light and the
stability control off light located in
the instrument cluster will
illuminate temporarily during
start-up as part of a normal system self-check. The stability control light
may illuminate (flash) during certain driving situations which cause the
AdvanceTrac system to operate. If the stability control light illuminates
steadily, have the system serviced by an authorized dealer immediately. If
equipped with a message center, the vehicle will also indicate a failure
with the AdvanceTrac system.
When AdvanceTrac performs a normal system self-check, some drivers
may notice a slight movement of the brake, and/or a rumble, grunting, or
grinding noise after startup and when driving off.
When an event occurs that activates AdvanceTrac you may experience
the following:
• A slight deceleration of the vehicle
• The stability control light will flash.
• If your foot is on the brake pedal, a vibration in the pedal
• If the driving condition is severe and your foot is not on the brake, the
brake pedal may move as the systems applies higher brake forces. You
may also hear a whoosh of air from under the instrument panel during
this severe condition.
• The brake pedal may feel stiffer than usual.
Traction control system (TCS)
Traction control is a driver aid feature that helps your vehicle maintain
traction of the wheels, typically when driving on slippery and/or hilly
road surfaces, by detecting and controlling wheel spin.
Excessive wheel spin is controlled in two ways, which may work
separately or in tandem; engine traction control and brake traction
control. Engine traction control works to limit drive-wheel spin by
momentarily reducing engine power. Brake traction control works to limit
wheel spin by momentarily applying the brakes to the wheel that is
slipping. Traction control is most active at low speeds.
During TCS events, the stability control light in the instrument cluster
will flash.
Driving
226
2011 MKZ Hybrid (hkz)
Owners Guide, 1st Printing
USA (fus)