Lexus NX350 2022 Owner's Manual page 522

8-4. Inspection of consumables
Checking the brake fluid
The brake fluid level should be between the
[MAX] and [MIN] lines on the tank.
Adding the brake fluid
1 Slide and lift up the rubber strip to partly
remove it as shown.
2 Disconnect the claws and remove the service
cover.
3 Remove the reservoir cap.
4 Add brake fluid slowly while checking the fluid level.
Make sure to check the fluid type and prepare the necessary item.
Brake fluid type
●
FMVSS No.116 DOT 3 or SAE J1703; FMVSS No.116 DOT 4 or SAE J1704 brake
fluid
● Items
520