If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections.
| Items |
Parts and tools |
| 12-volt battery condition |
|
| Brake fluid level |
|
| Engine/power control unit coolant level |
|
| Engine oil level |
|
| Fuses |
|
| Headlight aim* |
|
| Light bulbs |
|
| Radiator and condenser |
- |
| Tire inflation pressure |
|
| Washer fluid |
|
*: Vehicles with single-beam headlights
WARNING
The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury, observe the following precautions.
■When working on the engine compartment
■ When working near the electric cooling fans or radiator grille Be sure the power switch is off.
With the power switch in ON mode, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high.
■ Safety glasses Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting in your eyes.
NOTICE
■ If you remove the air cleaner filter Driving with the air cleaner filter removed may cause excessive engine wear due to dirt in the air.
Hood
Release the lock from the inside of the vehicle to open the hood.
1. Pull the hood lock release lever.
The hood will pop up slightly.

2. Pull up the auxiliary catch lever and lift the hood.

WARNING
■ Pre-driving check Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehicle is in motion and cause an accident, which may result in death or serious injury.
Positioning a floor jack
When using a floor jack, follow the instructions in the manual provided with the jack and perform the operation safely.
When raising your vehicle with a floor jack, position the jack correctly.
Improper placement may damage your vehicle or cause injury.
Front

Rear

Engine compartmentLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Blind Spot Monitor System: Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor. HINT: If CAN communication system DTCs are stored, they may also be stored for other systems. DTC No. Detection Item DTC Detection Condition Trouble Area ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Bank 1 Air-Fuel Ratio Imbalance (Port) (P11EA00,...,P21A100)
DESCRIPTION Refer to DTC P030000. Click here Refer to DTC P219519. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P11EA00 Bank 1 Air-Fuel Ratio Imbalance (Port) The difference in air fuel ratios between the cylinders exceeds the thre ...