2022 Lexus RX450h

The 2022 Lexus RX450h is a popular luxury hybrid SUV known for its comfortable ride, fuel efficiency, and reliability. It combines a 3.5-liter V6 engine with electric motors, producing a combined 308 horsepower and all-wheel drive. While generally reliable, some owners have reported certain issues. What people like about the vehicle is it’s reliability, smooth ride, fuel economy, quiet cabin, and luxurious interior. What people dislike about the vehicle are it’s outdated infotainment system and uninspiring driving dynamics.

Electric Motor

Hybrid Electric Motor

• Excessive High Voltage Battery Degradation
  • Description/Symptoms: Premature degradation of the high voltage battery, resulting in reduced range and performance, warning lights related to the hybrid system, and reduced fuel economy.
  • Solution: Replacement of the high voltage battery.
  • Estimated Cost to Fix: $5,000 - $8,000+
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Rebooting
  • Description/Symptoms: The infotainment system may freeze, become unresponsive, or spontaneously reboot while driving.
  • Solution: Software update from the dealership. If that doesn’t work, it may require replacement of the head unit.
  • Estimated Cost to Fix: Software update: $0 - $200. Head unit replacement: $1,500 - $3,000+
  • Recalls: None Found
• Wireless Charger Issues
  • Description/Symptoms: Inability to wirelessly charge phones, intermittent charging, or phone overheating.
  • Solution: Software update or replacement of the wireless charging pad.
  • Estimated Cost to Fix: Software update: $0 - $200. Wireless charging pad replacement: $200 - $400+
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Malfunctions in the parking sensors, blind-spot monitoring, or radar cruise control systems. False alerts, failure to detect objects, or system deactivation.
  • Solution: Diagnosis and replacement of the faulty sensor.
  • Estimated Cost to Fix: $300 - $1,000+ per sensor
  • Recalls: None Found

Interior

• Rattling Noises
  • Description/Symptoms: Rattling noises emanating from the dashboard, door panels, or rear cargo area.
  • Solution: Identification and securing of loose components or application of sound dampening materials.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof malfunctions like getting stuck or noisy operation.
  • Solution: Diagnosis and repair of the sunroof mechanism.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Exterior

• Paint Issues
  • Description/Symptoms: Premature paint peeling or chipping, especially on the hood or roof.
  • Solution: Repainting the affected areas.
  • Estimated Cost to Fix: $500 - $2,000+ depending on the size of the area
  • Recalls: None Found

Summary

The 2022 Lexus RX450h is generally a reliable vehicle. However, some owners have reported issues with the infotainment system, electrical components, interior rattles, and paint. The most significant potential issue is the High Voltage Battery degradation which can be very expensive to fix. Most other repairs tend to be less costly and more in line with typical luxury vehicle maintenance. Prospective buyers should be aware of these potential problems and thoroughly inspect the vehicle before purchasing.