Low Fuel Warning Light; Security Light; High-Beam On Light; Lamps On Reminder - GMC Cadillac CT5 2021 Manual

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If the light comes on and stays on, it
means that oil is not flowing through
the engine properly. The vehicle could
be low on oil and might have some
other system problem. See your dealer.

Low Fuel Warning Light

A Low Fuel Warning Light near the
fuel gauge comes on briefly when the
ignition is turned on as a check to
show it is working.
It also comes on when the fuel gauge
indicator nears empty. The light turns
off when fuel is added. If it does not,
have the vehicle serviced.

Security Light

The security light should come on
briefly as the engine is started. If it
does not come on, have the vehicle
serviced by your dealer. If the system
is working normally, the indicator
light turns off.
If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system. See Immobilizer Operation
0 25.

High-Beam On Light

INSTRUMENTS AND CONTROLS
This light comes on when the
high-beam headlamps are in use. See
Headlamp High/Low-Beam Changer
0 133.
IntelliBeam Light
This light comes on when the
IntelliBeam system, if equipped, is
enabled. See Exterior Lamp Controls
0 131.

Lamps On Reminder

This light comes on when the exterior
lamps are in use, except when only
the Daytime Running Lamps (DRL)
are active. See Exterior Lamp Controls
0 131.
111

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