Chevrolet 2007 TrailBlazer Owner's Manua page 230

There are several conditions that can cause
this message to appear.
•
The message may display if the brake
system warning light is on. See Brake
System Warning Light on page 208.
•
The message displays if the vehicle is
shifted into 4LO.
The message turns off as soon as the conditions
that caused the message to be displayed are
no longer present.
TIGHTEN FUEL CAP
This message may display and a chime may
sound if the vehicle's fuel cap is not tightened
properly. Fully reinstall the fuel cap. See Filling
the Tank on page 391. The diagnostic system
can determine if the fuel cap has been left off or
improperly installed. A loose or missing fuel
cap allows fuel to evaporate into the atmosphere.
This message remains on until it is acknowledged
and cleared from the DIC display by pressing
any of the DIC buttons or the trip stem. The
DIC message is also cancelled if the ignition
is turned off.
230
The DIC message and the Service Engine Soon
light may come on again during a second trip
if the fuel cap is still not tightened properly.
See Malfunction Indicator Lamp on page 212
for more information.
TRACTION CONTROL OFF
This message displays when you momentarily
®
press the StabiliTrak
transmission shift handle. In this mode, stability
control and the brake-traction control are
functional. Engine speed management will
be modified and the driven wheels can spin
more freely. For more details on this mode,
®
see StabiliTrak System on page 313.
TURN SIGNAL ON
This message displays and a chime sounds if a
turn signal is left on for 3/4 of a mile (1.2 km).
Move the turn signal/multifunction lever to the
off position. Press any of the DIC buttons, or the
trip stem, to acknowledge this message and
clear it from the DIC display.
button located on the