Ford 2012 Focus Electric User Manual download pdf (Page 260)

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, motor traction control and brake traction

control. Motor traction control works to limit drive-wheel spin by

momentarily reducing motor 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.

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 motor 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, and ESC are not affected by this condition and will

continue to function during the cool-down period.

Electronic stability control (ESC)

Electronic stability control (ESC) may enhance your vehicle’s directional

stability during adverse maneuvers, for example when cornering severely

or avoiding objects in the roadway. ESC operates by applying brakes to

one or more of the wheels individually and, if necessary, reducing power

if the system detects that the vehicle is about to skid or slide laterally.

During ESC events, the stability control light in the instrument cluster

will flash.

Certain adverse driving maneuvers may activate the ESC system, which

include but are not limited to:

• Taking a turn too fast

• Maneuvering quickly to avoid an accident, pedestrian or obstacle

• Driving over a patch of ice or other slippery surfaces

• Changing lanes on a snow-rutted road

• Entering a snow-free road from a snow-covered side street, or vice

versa

• Entering a paved road from a gravel road, or vice versa

260 Driving

2012 Focus Electric Vehicle (fob)

Owners Guide gf, 1st Printing

USA (fus)

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Ford 2012 Focus Electric User Manual Page 260