OPERATOR'S MANUAL

INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS
– 22 – Y53-6027
Medium Duty (R05/09)
include but are not limited to headlight on, fifth wheel, stop
engine, primary/secondary air, and driver door open
warnings.
Optional Lights:
Additional lights may be operational depending on individ-
ual vehicle specifications. These will be included in the
Instrument System Self Test.
NOTE: Some optional lights may illuminate even
though your vehicle is not equipped with that par-
ticular feature.
Warning Light / Indicator Symbols
The following is a list of Warning Light / Indicator Symbols.
Reading left to right, the table header identifies
• the Symbol Name
• the appearance of the Symbol
• the Symbol Color when it is illuminated
• whether the symbol is standard (Std) or optional (Opt)
• the Page Number reference for additional information
Symbols are listed by major component sections.
Example: Engine, and then in alphabetical order.
Warning Light / Indicator Symbols
Symbol Name Symbol Color Std Opt Page
1. Active Warnings, Exclama-
tion Point
Red
24
2. Active Warnings, Number
Yellow
25
3. Active Warnings, Triangle
Yellow
25
4. Alternator
Red
25
5. Anti-Lock Brake System
(ABS)
Yellow
25
6. Anti-Lock Brake System
(ABS), Trailer
Yellow
25
7. Axle, Inter-Axle Differential
Locked (Tandem Axles)
Yellow
26
8. Brake System
26
9. Clock, Alarm Bell
Yellow
26
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BRAKE