GMC 2007 Acadia Owner's Manual page 254

TIRE LEARNING ACTIVE
This message displays when the Tire Pressure
Monitor (TPM) system is re-learning the tire
positions on your vehicle. See DIC Operation and
Displays (With DIC Buttons) on page 233 or DIC
Operation and Displays (Without DIC Buttons) on
page 239 for more information. The tire positions
must be re-learned after rotating the tires or after
replacing a tire or sensor. See Tire Inspection and
Rotation on page 448, Tire Pressure Monitor
System on page 444, and Inflation - Tire Pressure
on page 442 for more information.
TRACTION CONTROL OFF
This message displays when the Traction Control
System (TCS) is turned off. Adjust your driving
accordingly. See StabiliTrak
for more information. This message clears itself
after 10 seconds.
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System on page 337
TRANSMISSION HOT IDLE ENGINE
Notice: If you drive your vehicle while the
transmission fluid is overheating and the
transmission temperature warning is displayed
on the instrument panel cluster and/or DIC, you
can damage the transmission. This could lead
to costly repairs that would not be covered by
your warranty. Do not drive your vehicle with
overheated transmission fluid or while the
transmission temperature warning is displayed.
This message displays along with a continuous
chime if the transmission fluid in the vehicle
gets hot. Driving with the transmission fluid
temperature high can cause damage to the
vehicle. Stop the vehicle and let it idle to allow
the transmission to cool. This message clears
and the chime stops when the fluid temperature
reaches a safe level.