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1-2. Hybrid system
LEXUS NX300h Owners Manu-
al_USA_OM78212U
1
For safety and security
Air intake vents
Air discharge vents
When a certain level of impact is
detected by the impact sensor, the
emergency shut off system blocks the
high voltage current and stops the fuel
pump to minimize the risk of electrocu-
tion and fuel leakage. If the emergency
shut off system activates, your vehicle
will not restart. To restart the hybrid
system, contact your Lexus dealer.
A message is automatically displayed
when a malfunction occurs in the
hybrid system or an improper opera-
tion is attempted.
If a warning message is shown on the
multi-information display, read the
message and follow the instructions.
■ Hybrid battery (traction battery) air
intake and discharge vents
● Do not place objects that will block the
air intake vents. The hybrid battery
(traction battery) may have a reduc-
tion in hybrid battery (traction battery)
output as well as be damaged.
● Clean the air intake and discharge
vents regularly to prevent the hybrid
battery (traction battery) from over-
heating.
● Do not get water or foreign materials
in either the air intake and discharge
vents as this may cause a short circuit
and damage the hybrid battery (trac-
tion battery).
● Do not carry large amounts of water
such as water cooler bottles in the
vehicle. If water spills onto the hybrid
battery (traction battery), the battery
may be damaged.
Have the vehicle inspected by your
Lexus dealer.
● A filter is installed to the air intake vent.
When the filter remains noticeably
dirty even after cleaning the air intake
vent, filter cleaning or replacement is
recommended. When cleaning or
replacing the filter, contact your Lexus
dealer.
When “Maintenance Required for
Traction battery cooling parts at your
dealer” is shown on the multi-informa-
tion display, the filter may be clogged.
Have the filter cleaned or replaced at
your Lexus dealer.
Emergency shut off system
Hybrid warning message
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