Common Warning and Indicator Lamps
Low Air Pressure
Indicates air pressure in the primary or secondary reservoir
is below 70 psi (483 kPa).
WAIT
TO START
Wait To Start
Illuminates when starting the engine during cold conditions.
Wait until the lamp goes out before turning the ignition key to
START.
Low Engine Oil Pressure
Indicates the engine oil pressure is below the minimum
allowable pressure listed in
Table 3.1
.
Water In Fuel
Indicates the fuel may contain water. Drain any water
collected in the fuel/water separator.
Fuel Filter Restriction
Indicates the fuel filter is clogged and requires service.
Low Battery Voltage
Indicates that battery voltage is 11.9 volts or less.
Check Transmission
Indicates an undesirable transmission condition.
Transmission Overheat
Indicates high transmission temperature.
NO
CHARGE
No Charge
Indicates an alternator charge output failure.
Engine Brake
Indicates the engine brake is engaged.
IDLE
MGMT
Optimized Idle
Indicates optimized idle is enabled.
Left-Turn Signal
Flashing indicates the outside left-turn signal lights are
activated.
Right-Turn Signal
Flashing indicates the outside right-turn signal lights are
activated.
High-Beam Headlights
Indicates the high-beam headlights are on.
Instruments
3.8