Selective Catalytic Reduction; Urea Gauge - Hyundai Santa Fe Owner's Manual

The Diesel Particulate Filter (DPF)
Lamp stops illuminating, when the
driving speed exceeds 37 mph (60
km/h), or when the engine rpm is
between 1,500 and 2,500 with the
gear in the 2nd position or above for
approximately 25 minutes.
When the DPF Lamp continuously
blinks or the warning message "Check
exhaust system" illuminates in the
above cases, we recommend that you
have the DPF system checked by a
HYUNDAI authorised repairer.
When the vehicle is continuously driv-
en with the DPF Lamp flashing for an
extended period of time, it may dam-
age the DPF system and lower the
fuel economy.
Lean NOx Trap (if equipped)
The Lean NOx Trap (LNT) system
removes the nitrogen oxide from the
exhaust gas. A smell can occur in the
exhaust gas depending on the quali-
ty of the fuel, and it can degrade NOx
reduction performance. Please use
the regulated automotive diesel fuel.

Selective Catalytic Reduction

(if equipped)
The Selective Catalytic Reduction
(SCR) system is to catalytically con-
vert NOx to Nitrogen and Water by
using the reduction agent, the urea
solution.
Urea gauge (if equipped)
The urea solution gauge indicates
the approximate amount of remain-
ing urea solution inside the urea
solution tank.
❈ The urea gauge image pops up,
whenever the ignition switch is
pressed to the ON position.
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