GAUGES PART 4: CONTROLS AND DISPLAYS
– 48 – Y53-6007 (R10/06)
The warning lights may indicate something is wrong with
one of the vital systems on your vehicle. Check the lights
frequently, and respond properly as soon as you see one
go on. These lights could save you from a serious acci
-
dent.
Emission System Lamps
This vehicle may be equipped with an exhaust system that
meets 2007 EPA emission requirements. The following
lamps wil be on your dashboard
Emissions, Diesel Particulate Filter (DPF)
Illuminates when diesel particulate trap is plugged. This
warning will also illuminate when regeneration operation
is disabled.
Emissions, High Exhaust System Temperature (HEST)
Illuminates when the exhaust gas temperature and
exhaust components become extremely hot.
Transmission Temperature Gauge
11427
Your Transmission Temperature Gauge indicates the tem-
perature of the oil in your transmission. Watch this gauge
to know when your transmission is overheating. If it is,
have it checked by an authorized service representative.
Maximum transmission temperature may vary, depending
upon the transmission and type of lubricant. It is typically
250° F (121° C); check your transmission’s owner’s man
-
ual.
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