1989 Ford Bronco Owner's Manual - Page 203

1989 Ford Bronco Manual

Page 203 highlights

Driving When AdvanceTrac with RSC 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 with RSC you may experience the following: • A slight deceleration of the vehicle • The "sliding car" indicator light will flash. • A vibration in the pedal when your foot is on the brake 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. in the instrument During traction control events the "sliding car" icon cluster will flash. If the TCS is activated excessively in a short period of time, the braking portion of the system may become temporarily disabled to allow the brakes to cool down. In this situation, TCS will use only engine power reduction or transfer to help control the wheels from over-spinning. When the brakes have cooled down, the system will regain all features. Anti-lock braking, RSC , and ESC are not affected by this condition and will continue to function during the cool-down period. The engine traction control and brake traction control system may be deactivated in certain situations. See the Switching off AdvanceTrac with RSC section following. 203 2010 Econoline (eco) Owners Guide, 3rd Printing USA (fus)

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When AdvanceTrac
°
with RSC
°
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
°
with RSC
°
you may
experience the following:
A slight deceleration of the vehicle
The “sliding car”
indicator light will flash.
A vibration in the pedal when your foot is on the brake 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 traction control events the “sliding car” icon
in the instrument
cluster will flash.
If the TCS is activated excessively in a short period of time, the braking
portion of the system may become temporarily disabled to allow the
brakes to cool down. In this situation, TCS will use only engine power
reduction or transfer to help control the wheels from over-spinning.
When the brakes have cooled down, the system will regain all features.
Anti-lock braking, RSC
°
, and ESC are not affected by this condition and
will continue to function during the cool-down period.
The engine traction control and brake traction control system may be
deactivated in certain situations. See the
Switching off AdvanceTrac
°
with RSC
°
section following.
Driving
203
2010 Econoline
(eco)
Owners Guide, 3rd Printing
USA
(fus)