Pre-purchase inspection checklist — 2018 Lexus Ls
The 2018 Lexus LS is generally a reliable vehicle, though it has some issues worth noting. Passenger airbag sensor recalls, tire defects, and a few electrical and wheel complaints have been reported. Overall, ensure recalls have been addressed and inspect thoroughly before purchase.
Known issues to inspect
Passenger seat sensor failure
How to check: Verify recall repairs for the passenger seat sensor.
Tire tread separation
How to check: Inspect tires for separation or cracks.
Electrical system problems
How to check: Test all electrical functions during inspection.
Test-drive walkthrough
- 01
Cold start
What to check: Listen for unusual noises from the engine.
Red flag: Persistent knocking sounds
- 02
First minute idling
What to check: Check dashboard for warning lights.
Red flag: Check engine or ABS light on
- 03
Initial acceleration
What to check: Ensure smooth power delivery and no hesitation.
Red flag: Jerky or hesitant acceleration
- 04
Steady speed
What to check: Listen for tire noise or vibration.
Red flag: Excessive vibration or noise
- 05
Highway acceleration
What to check: Test for smooth transmission shifts.
Red flag: Rough or delayed shifting
- 06
Braking
What to check: Ensure brakes respond well without noise.
Red flag: Grinding or squealing sounds
Questions for the seller
Use this exact phrasing.
- Has the airbag sensor recall been fixed?
- Have the tires been replaced?
- Any issues with the electrical system?
- Has the vehicle been in any accidents?
- Service records up to date?
Documents to request
Don't sign anything until you have these.
- Proof of recall repairs
- Recent tire purchase receipts
- Service history records
- Vehicle title
- Accident history report
Generated by gpt-4o on 8/23/2026. Grounded in the NHTSA recall corpus and owner-complaint patterns for the 2018 Lexus Ls.