Mazda CX-5 Manual page 430

When Driving
Selective Catalytic Reduction (SCR) System
Selective Catalytic Reduction (SCR) System
The SCR system is designed to reduce nitrogen oxide (NOx) in the exhaust gas and purify
the exhaust gas by injecting it with AdBlue
WARNING
Be careful not to allow the AdBlue
SCR system will not operate normally.
When the remaining AdBlue
and the SCR warning light turns on/flashes.
Refer to Selective Catalytic Reduction (SCR) System Indications on page 4-272.
In this case, consult an Authorised Mazda Dealer. If AdBlue
®
AdBlue following the specified procedure.
®
Refer to AdBlue Replenishment on page 6-33.
NOTE
®
AdBlue needs to be replenished periodically according to the scheduled maintenance

information.
Normally, the vehicle can be driven about 12,000 km (7,500 miles) before AdBlue

to be replenished. However, it may need to be replenished earlier depending on the
driving and environmental conditions (such as putting a high load on the engine while
driving or driving the vehicle at high altitudes).
The sound of the SCR system operating may be heard from the area under the vehicle,

however, this does not indicate a problem.
▼ Selective Catalytic Reduction (SCR) System Indications
As the remaining amount of AdBlue
following indications.
The vehicle speed may be restricted for a while even if the warning light turns off after
replenishing the AdBlue
ignition OFF after the warning light turns off and then switch the ignition ON again.
Status
Remaining AdBl-
®
ue has decreased
Sound is activated when
(Maximum driving
distance : 2400 km ignition is switched ON
(1491 miles) or
less)
4-272
*Some models.
®
fluid to run out. If the AdBlue
®
is low, a message is displayed on the multi-information display,
®
lowers, the SCR system notifies the driver using the
®
. To cancel the vehicle speed restriction immediately, switch the
Warning sound warning
Turns off
®
.
®
needs to be replenished, add
SCR
Multi-information display indi-
cation
light
*
®
fluid completely runs out, the
Driving restric-
None
®
needs
tion