it means traction control feature
is the trac align light mean
It is on front/rear hub assy - bearing, studs and wheel speed sensor
Your car is equipped with Traction Control. This light means it is turned off.
I am still waiting for the answer u cant reset the abs light u have to take it to the shop, if your abs light is on there is something wrong with your trac system
Wheel speed sensor. have the ABS scaned
The TRAC OFF light is usually caused by a problem in the ABS system. See the link TRAC OFF DESCRIPTION link below for more info.- TechJK -------------
Trac off means your traction control is turned off.
The "trac" button is for traction control. By default, traction control is always on unless you turn it off.
traction
There should be a trac off button on the stearing wheel, when it is pushed to the off position, it makes the light come on. If it is set on the stearing wheel only when there is a issue with your tires should it come on. (Like if you going over very bumpy grounds)
When the trac light is off, on a Buick Century, the traction control monitoring system is disengaged. It is recommended to have the trac system engaged on wet roads.
You don't have to engage it. Has to do with structural features of the suspension.