Medium Duty Operator's Manual - Peterbilt Motors Company

INSTRUMENTS AND CONTROLS
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 individual
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 particular
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.
CONTROLS AND DISPLAYS
Example: Engine, and then in alphabetical order.
Warning Light / Indicator Symbols
Symbol Name Symbol Color Std Opt Page
1. Active Warnings, Exclamation
Point Red 22
2. Active Warnings, Number
3. Active Warnings, Triangle
4. Alternator
Yellow 23
Yellow 23
Red 23
5. Anti-Lock Brake System
(ABS) Yellow 23
6. Anti-Lock Brake System
(ABS), Trailer Yellow 23
7. Axle, Inter-Axle Differential
Locked (Tandem Axles) Yellow 24
8. Brake System
9. Clock, Alarm Bell
!
BRAKE
24
Yellow 24
– 20 – Y53-6008A Medium Duty (R05/09)