2023 LEXUS NX250 350 Owners Manual

Do-it-yourselfmaintenance
You can perform some maintenance procedures by yourself. Please be aware that do-it-yourself maintenance may affect warranty coverage.
The use of Lexus repair manuals is recommended. For details about warranty coverage, refer to the separate "Owner
s Guide", "Warranty and Service Guide", "Owner
s Manual Supplement" or "Warranty Booklet".8-3.Maintenance
5038
Maintenance and care

Generalmaintenance
General maintenance items should be performed at the intervals specified in the
"Warranty and Service Guide" or "Owner
s Manual Supplement". This can be done by yourself or by a Lexus dealer. It is recommended that any problem you
notice should be brought to the attention of your Lexus dealer or qualified service
shop for advice.WARNINGIf the engine is running, turn the engine switch off and ensure that there is adequate
ventilation before performing maintenance checks.8-3.Maintenance
504

EnginecompartmentmaintenanceitemslistItemsCheck pointsBatteryCheck the connections.
W P.522Brake fluidIs the brake fluid at the correct level"
W P.520NX350: Engine/intercooler
coolantIs the engine/intercooler coolant at the correct level"
W P.517NX250: Engine coolantIs the engine coolant at the correct level"
W P.517Engine oilIs the engine oil at the correct level"
W P.515Exhaust systemThere should not be any fumes or strange sounds.NX350: Radiator, condens-
er and intercooler radiatorThe radiator, condenser and intercooler radiator should
be free from foreign objects.
W P.519NX250: Radiator/condens-
erThe radiator and condenser should be free from foreignobjects.
W P.519Washer fluidIs there sufficient washer fluid"
W P.5258-3.Maintenance
5058
Maintenance and care

VehicleinteriormaintenanceitemslistItemsCheck pointsAcceleratorpedalThe accelerator pedal should move smoothly. There should be no
uneven pedal effort or catching.Automatic
transmission
kParky mecha- nism
When parked on a slope and the shift position is in P, is the vehicle
securely stopped"Brake pedal

VehicleexteriormaintenanceitemslistItemsCheck pointsDoorsDo the doors operate smoothly"Engine hoodDoes the engine hood lock system work properly"Fluid leaksThere should not be any signs of fluid leakage after the vehicle has beenparked.
Tires

Emissioninspectionandmaintenance(I/M)programs
Some states have vehicle emission inspection programs which include OBD (On
Board Diagnostics) checks. The OBD system monitors the operation of the emis- sion control system.
Whenthemalfunctionindicatorlampcomeson
The OBD system determines that a problem exists somewhere in the emission
control system.
Your vehicle may not pass the I/M test and may need to be repaired. Contact your
Lexus dealer to service the vehicle.
SituationsyourvehiclemaynotpasstheI/Mtest
Your vehicle may not pass the I/M test in the following situations:

Inspectionofconsumables
Do-it-yourselfserviceprecautions
If you perform maintenance by yourself, be sure to follow the correct procedure as
given in the section for each part.WARNINGThe engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically charged. Observe the following precautions.