Fuel/DEF Gauge
The diesel fuel and DEF levels are measured in a dual-purpose gauge. See Fig..
Fuel level is indicated at the top of the gauge. Below the fuel level, a low fuel warning lamp illuminates amber when the fuel level drops below 1/8th of the capacity.
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Green bars—DEF level indicators
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One bar illuminated amber—DEF very low, refill DEF
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One bar flashing red—DEF empty, refill DEF
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Low Fuel Warning Lamp
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DEF Warning Lamp
Fig. 1, Fuel/DEF Gauge
The lower portion of the gauge has a DEF warning lamp that illuminates amber when the DEF tank is near empty, and a lightbar that indicates the level of DEF in the tank. The DEF light bar illuminates as follows:
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Four bars illuminated green—Between 75% and 100% full
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Three bars illuminated green—Between 50% and 75% full
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Two bars illuminated green—Between 25% and 50% full
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One bar illuminated green—Between approximately 10% and 25% full
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One bar illuminated amber—DEF very low, refill DEF
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One bar flashing red—DEF empty, refill DEF