2025 Lexus RX 450h+ service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications, torque values, and reference data
- Electrical diagnostics with full wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
- Diagnostic trouble codes and troubleshooting flow
- Maintenance schedules and fluid capacities
Trims covered
- Base
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Maintenance & Lubrication
- Specifications
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Diagnostic Trouble Codes
- Technical Service Bulletins
- Wiring Diagrams
The contact owns a 2025 Lexus RX Hybrid. The contact stated that while driving approximately 20 MPH, there was an abnormally loud sound coming from the vehicle. The vehicle was parked; however, upon inspecting the exterior of the vehicle, the contact became aware that the panoramic sunroof had unexpectedly fractured. The contact stated that there were no nearby vehicles nor object to impact the sunroof to cause it to fracture. The vehicle was taken to the dealer, where the contact was informed that the panoramic sunroof needed to be replaced. The contact was informed that the panoramic sunroof
On the evening of October 29, 2025, my 2025 Lexus RX 450h+ suffered two complete electrical failures within a few hours. The vehicle lost all power and became totally unresponsive — no lights, sounds, or electrical function. During the first failure, both of my young children (ages [XXX] and [XXX] were trapped inside because the doors would not unlock or open manually from the inside or outside. The failure occurred at night, and I was stranded for nearly five hours. I repeatedly tried to reach Lexus Roadside Assistance, but the calls disconnected multiple times before I reached an agent. A
