Lexus NX350h 2022 Owner's Manual page 630

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter
"Maintenance Required for Traction Battery Cooling Parts See Own-
er's Manual"
Cause
The air intake vent or filter of the hy-
brid battery (traction battery) may
be clogged, the air intake vent may
be blocked, or there may be a gap
in the duct. Therefore, perform the
following correction procedure.
Related Links
Cleaning the air intake vent and filter(P. 541)
"EV Mode Unavailable"
The EV drive mode is not available.
The reason the EV drive mode is not available (the vehicle is
idling, battery charge is low, vehicle speed is higher than the
EV drive mode operating speed range or accelerator pedal is
depressed too much) may be displayed.
"EV Mode Deactivated"
The EV drive mode is not available.
The reason the EV drive mode is not available (the
battery charge is low, vehicle speed is higher than the
EV drive mode operating speed range or accelerator
accelerator pedal is depressed too much) may be dis-
played.
628
If the air intake vent or filter of the hybrid
●
battery (traction battery) is dirty, clean
them.
If the warning message is shown when
●
the air intake vent and filter the hybrid
battery (traction battery) are not dirty,
have the vehicle inspected at your Lexus
dealer.
Cause
Cause
Remedy
Remedy
Use the EV drive
mode when it be-
comes available.
Remedy
Drive the vehicle for a
while before attempting
to turn on the EV drive
mode again.