GMC 2010 Terrain Owner's Manual page 116

This light comes on for a
few seconds when the ignition
is turned on as a check to indicate
it is working. If it does not come on,
have it fixed.
The low fuel warning light is a circle
located on the fuel gauge. This light
comes on and a chime sounds
periodically when the vehicle is low
on fuel. The light goes off when fuel
is added to the fuel tank.
For vehicles with a Driver
Information Center (DIC), see
for more information.
This light comes on if there is a
problem with the security system,
or if the vehicle has been
tampered with.
For more information, see
.
The high-beam on light comes on
when the high-beam headlamps are
in use.
See
information.
for more