operators_manual

Table Of Contents
Bulb Check
When the ignition switch is turned ON
multiple warning icons will be displayed in
a sequence to test each warning light
indicator. The total sequence should take
no more than 10 seconds to complete.
Have your instrumentation system checked
by a qualified service technician if does not
successfully complete.
Audible Alarm
The audible alarm will sound in conjunction
with most warning lights. These events
include but are not limited to headlight on,
fifth wheel, stop engine, primary/secondary
air
, and driver door open warnings.
Optional Icons
Additional icons may be operational
depending on individual vehicle
specifications.
NOTE
Some optional lights may illuminate
even
though your vehicle is not equip-
ped with that particular feature.
Physical Telltales
CONTROLS - Bulb Check
Y53-6110-1A1 (01/21) 79
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