Common Warning and Indicator Lamps
Lamp Description Color
IDLE
MGMT
Optimized Idle Indicates optimized idle is enabled. Amber
Check Transmission Indicates an undesirable transmission condition. Amber
WAIT
TO START
Wait To Start (EPA07/
EPA10)
Indicates that the system is preventing the starter from
cranking. This can occur when the ignition switch is turned
to START before the gauge sweep has completed, or if the
starter has overheated.
Turn the ignition switch back to ON, wait for the lamp to go
out, then turn the ignition switch to START again.
Amber
START
BLOCKED
Start Blocked (GHG14)
Indicates that the system is preventing the starter from
cranking. This can occur when the ignition switch is turned
to START before the gauge sweep has completed, or if the
starter has overheated.
NOTE: Illumination of the Start Blocked lamp does not
indicate a problem with the starter.
Turn the ignition switch back to ON, wait for the lamp to go
out, then turn the ignition switch to START again.
Amber
WHEEL
SPIN
Wheel Spin
Flashing indicates the ATC system is active, or the ATC
button has been pressed to allow wheel slip.
Solid illumination indicates a problem with the ATC system.
Repair the ATC system immediately to ensure full braking
capability.
Amber
Roll Stability
Momentary illumination indicates that a stability event has
occurred.
On vehicles that are also equipped with ATC, flashing
indicates the ATC button has been pressed to allow wheel
slip.
Amber
Hill Start Aid (HSA)
Override
Indicates the HSA switch has been pressed to override the
hill start assist feature.
Amber
Outside Normal Ride
Height
Indicates the current rear suspension height is not at the
normal ride height. This light will turn off once the vehicle
returns to normal ride height.
Amber
Engine Brake Indicates the engine brake is enabled. Green
Left-Turn Signal
Flashing indicates the outside left-turn signal lights are
activated.
Green
Right-Turn Signal
Flashing indicates the outside right-turn signal lights are
activated.
Green
Instruments
4.6
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