Ford Mystique Owner's Manual page 18

Traction Control System Light (If equipped)
This light comes on when the traction control system has been
disengaged. It may come on or flash on and off while traction
control is operating.
If the light stays on for more than three (3) seconds after the
ignition is turned to the ON position or does not come on when
the T/C OFF button is pressed, have the traction control system
checked by a qualified technician as soon as possible.
Check Engine Warning Light
This light illuminates when the engine's Emission Control
System requires service. It will also illuminate when the ignition
key is in the ON position and the engine is off.
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