Frequently Asked Questions

What is the first thing to check when the check engine light comes on?

• Look for obvious issues first: loose or missing gas cap, visible fluid leaks, or disconnected hoses.
• Check basic vehicle behavior: unusual noises, loss of power, or odor that could signal an urgent condition.
• If symptoms are mild, drive conservatively and avoid heavy loads; if the light is flashing, stop and seek immediate service.
• For accurate diagnosis, bring your 2026 Lexus RX 350h to Nalley Lexus Smyrna—factory-trained technicians identify root causes and protect warranty coverage.

How long does a check engine light service take?

• Typical diagnostic scans take 30–60 minutes depending on code complexity and required road testing.
• Minor repairs (e.g., gas cap replacement, simple sensor swaps) can often be completed the same day.
• More involved repairs that require parts or deeper inspection may take longer; our service advisors will provide a clear timeline.
• Choosing Nalley Lexus Smyrna often reduces total downtime and long-term cost because our specialists diagnose correctly the first time and use OEM parts.

How much does a check engine light diagnostic cost for a 2026 Lexus RX 350h?

• Diagnostic scan fees vary, but our dealership offers competitive pricing and transparent estimates before any work begins.
• We frequently cost less than independent shops while offering factory training, OEM parts, and more thorough inspections—delivering immediate and long-term savings.
• If a repair is covered under warranty, it must be performed at a certified dealership to preserve coverage; we will confirm warranty eligibility during diagnosis.
• Ask about current service specials or inspection bundles to lower your out-of-pocket cost.

What does it mean when the check engine light comes on in a 2026 Lexus RX 350h?

• An illuminated check engine light signals that the vehicle’s onboard diagnostics detected an emissions, engine, or drivetrain fault.
• Codes may indicate anything from an evaporative system leak to misfires or oxygen sensor faults—some are minor, others require prompt attention.
• Ignoring the light can cause reduced fuel economy, higher emissions, and potential damage that increases repair costs over time.
• Bring your vehicle to Nalley Lexus Smyrna for a full scan so factory-trained technicians can recommend the most cost-effective, warranty-safe repair.

What is the most common reason for check engine light on a 2026 Lexus RX 350h?

• Common causes include loose/missing gas caps, faulty oxygen sensors, catalytic converter efficiency codes, or ignition misfires.
• Many issues begin small but escalate if left unchecked—early diagnosis saves money and prevents collateral damage.
• Our technicians prioritize repairs that preserve fuel economy and emissions performance to maximize long-term value.
• Warranty-covered repairs must be completed at a certified dealership; we’ll verify coverage and explain savings options before work begins.