Pre-purchase inspection checklist — 2021 Entegra Cornerstone
The 2021 Entegra Cornerstone has several recalls affecting key systems, notably the engine, seats, and steering. While having some significant issues, with proper inspection for recall repairs, it offers luxury and comfort.
Known issues to inspect
Water in air intake
How to check: Inspect engine air intake box for water drain installation.
Power steering pump defect
How to check: Check for power steering assist and hydraulic fluid leaks.
Instrument cluster may go blank
How to check: Test instrument panel for consistent functionality.
Passenger seat may detach
How to check: Assess passenger seat stability by wiggling it.
Seat wiring may chafe or melt
How to check: Inspect power seat wiring for visible damage or wear.
Test-drive walkthrough
- 01
Cold start
What to check: Listen for unusual engine noises or misfires.
Red flag: Unusual knocking or rough idling.
- 02
First minute idling
What to check: Check instrument panel for blanking out.
Red flag: Instrument panel goes blank.
- 03
Steering test
What to check: Assess power steering feel; check for assist loss.
Red flag: Steering is difficult or inconsistent.
- 04
City driving
What to check: Look for warning lights on instrument cluster.
Red flag: Warning lights illuminate on dash.
- 05
Highway acceleration
What to check: Check for smooth acceleration without engine issues.
Red flag: Hesitation or lack of power.
Questions for the seller
Use this exact phrasing.
- Has the air intake been drained?
- Have steering defects been repaired?
- Any issues with the instrument cluster?
- Has the passenger seat recall been addressed?
- Are there any other unresolved recalls?
Documents to request
Don't sign anything until you have these.
- Repair receipts for recalls
- Vehicle maintenance history
- Title and registration
- Warranty documentation
- Previous ownership records
Generated by gpt-4o on 7/25/2026. Grounded in the NHTSA recall corpus and owner-complaint patterns for the 2021 Entegra Cornerstone.