Dodge 2009 Ram 3500 - Manual (Page 199)

22. Cargo Light
The Cargo Lamp light will illuminate when the
Cargo Lamp is activated by pressing the Cargo
Light Button on the headlight switch.
23. SERV 4WD Indicator
The 4WD indicator will be illuminated when-
ever the 4WD mode is engaged for either the
manual or electric shift 4WD systems. The
SERV 4WD indicator monitors the electric shift
4WD system. If the SERV 4WD light stays on or comes on
during driving, it means that the 4WD system is not
functioning properly and that service is required.
24. Electronic Stability Program (ESP) / Brake Assist
System (BAS) Warning Lamp – If Equipped
The malfunction light for the Electronic Stabil-
ity Program (ESP) is combined with Brake
Assist System (BAS). The yellow ESP/BAS
warning lamp is in the instrument cluster it
comes on when the ignition switch is turned to the ON
position, it should go out with the engine running. If the
ESP/BAS warning lamp comes on continuously with the
engine running, a malfunction has been detected in either
the ESP or the BAS system. If this light remains on after
several ignition cycles, and the vehicle has been driven
several miles at speeds greater than 30 mph (48 km/h),
see an authorized dealer as soon as possible.
NOTE: The ESP control system will make buzzing or
clicking sounds when it is actively operating.
25. Tire Pressure Monitoring Telltale Light — If
Equipped
Each tire, including the spare (if provided),
should be checked monthly, when cold and
inflated to the inflation pressure recommended
by the vehicle manufacturer on the vehicle
placard or tire inflation pressure label. (If your vehicle has
tires of a different size than the size indicated on the
UNDERSTANDING YOUR INSTRUMENT PANEL 197
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