The Lemon Index

Car symptoms · Heating, AC and body

Sunroof shattered.

Heating, AC and body · owner complaints6,382
Fix soon
What it usually means

Sunroof glass can shatter with no impact, often on a hot day or at highway speed.

How serious

Fix soon. Close the sunshade and pull over safely. Cover the opening before driving on, and report it to NHTSA.

Where a shop starts

A flaw in the glass from manufacturing. Then: stress in the glass from the frame or heat; a stone or debris impact.

Owners describe this in 6,382 complaints to the U.S. government, most often on the Toyota RAV4.

Cars owners report it on most

Complaints describing this symptom, by model, all years. Raw counts, not a failure rate: popular models get more complaints.

Model years that report it most

Each row is that model year's record in NHTSA complaints, not the history of any one car. Share = complaints describing this symptom out of every complaint we hold for that model year (shown when the year has 50+ complaints).

Where it makes up the biggest share

2012 Hyundai Veloster · 24% 2006 Scion tC · 24% 2005 Scion tC · 23% 2024 Toyota RAV4 · 10% 2022 Hyundai Palisade · 10% 2023 Hyundai Santa Fe · 9% 2022 Kia Telluride · 9% 2022 Toyota RAV4 · 9%

Model years with 150+ complaints in our data and 10+ describing this symptom, ranked by share. A high share means owners of that year who complained often mentioned it.

The details

Common causes of sunroof shattered
  • A flaw in the glass from manufacturing
  • Stress in the glass from the frame or heat
  • A stone or debris impact
  • Very large panoramic glass panels
  • Earlier damage that spread

General causes, not a diagnosis. A shop should confirm the cause with tests before replacing parts.

Is it safe to drive after the sunroof shattered?

Fix soon. Close the sunshade and pull over safely. Cover the opening before driving on, and report it to NHTSA.

Get help right away if glass is falling into the cabin.

Of the 6,382 complaints describing it, 5% report an injury.

What the complaints show

The parts owners filed these complaints under: visibility (29%), structure (17%), visibility/wiper (13%), electrical system (0.8%). A complaint can list more than one.

Median odometer reading when owners reported it: 37,000 miles.

Most reports by make: Toyota (699), Hyundai (678), Honda (620), Kia (593), Ford (500).

Related symptoms

AC blowing warm air Car heater not working Water leaking inside car Mold or musty smell in car Fuel gauge not working

Quick answers

What causes sunroof shattered?

Sunroof glass can shatter with no impact, often on a hot day or at highway speed. Common causes: a flaw in the glass from manufacturing; stress in the glass from the frame or heat; a stone or debris impact; very large panoramic glass panels; earlier damage that spread.

Is it safe to drive after the sunroof shattered?

Fix soon. Close the sunshade and pull over safely. Cover the opening before driving on, and report it to NHTSA.

Which cars have this problem most?

In complaints to NHTSA, owners describe it most on the Toyota RAV4, Kia Sorento and Honda CR-V. These are raw counts, so popular models rank higher; complaints are owner reports, not proof of a defect.

Counts: NHTSA owner complaints whose text describes this symptom (we matched owners' own wording, then read samples to check the matches). A complaint is an owner's report, not a diagnosis or proof of a defect. Causes and advice are general information in our own words, not repair advice for your car. Every symptom · Engine code lookup

Updated · Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data

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