Chevrolet 2001 Impala Owner's Manual page 159

Modes
Service Traction System (If Equipped)
United States
If this message appears when you are driving, there is a
problem with your traction control system and your
vehicle is in need of service.
When this message is displayed, the system will
not limit wheel spin. The message will stay on for
60 seconds and then go out. Four chimes will also
be heard. Adjust your driving accordingly.
When the ignition is turned off, this message will be
displayed again for three seconds to remind you that
your traction control system is not working properly.
Be sure to have your vehicle serviced right away.
Traction Active (If Equipped)
Canada
This message will appear when the traction control
system is limiting wheel spin.
The message will stay on a few seconds after the
traction system stops limiting wheel spin.
United States Canada
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