Toyota 2015 Corolla Owner's Manual page 190

212
4-5. Using the driving support systems
When the TRAC or VSC system is operating
The slip indicator light will flash
while the TRAC or VSC system is
operating.
Disabling the TRAC system
If the vehicle gets stuck in mud, dirt or snow, the TRAC system may
reduce power from the engine to the wheels. Pressing
system off may make it easier for you to rock the vehicle in order to
free it.
To turn the TRAC system off,
quickly press and release
The "TRAC OFF" indicator light will
come on.
Press
back on.
COROLLA_TMMMS_TMMC_U (OM12F00U)
.
again to turn the system
to turn the