How to Spot Hail Damage on Your Car

Why hail dents hide in plain sight

Picture the shape of a hail dent. It is wide and extremely shallow — often a dimple the width of a quarter and a fraction of a millimeter deep. There is usually no broken paint, no scratch, no white mark, nothing your eye is trained to notice. Your brain reads the panel as smooth because the paint is still glossy and unbroken.

The other problem is that horizontal panels act like mirrors. A hood, a roof, and a trunk lid all reflect whatever is above them. On an overcast day — which is exactly what follows a hailstorm — the sky is one flat, even sheet of gray, so the reflection on your hood is one flat, even sheet of gray. A dent only becomes visible when it distorts something with an edge in it. Flat gray sky has no edges to distort.

This is why professional hail inspection uses long fluorescent or LED boards with dark stripes between the tubes. Those hard light-and-dark lines reflect across the panel, and every dent bends a line. You are not looking at the dent itself; you are looking at the bend in the reflected line. Once you understand that, you can approximate it in your own driveway.

Raking light and a clean, dry panel

Two conditions do more for a home inspection than anything else: light coming across the panel at a low angle, and a surface that is clean and completely dry.

Get the light low and use a hard edge

Raking light means light striking the surface at a shallow angle rather than straight down. Early morning and the hour before sunset are ideal. A low sun turns every shallow dimple into a small shadow. If the sun is not cooperating, work at night in a garage and use a shop light or even a phone flashlight held nearly parallel to the panel, then move it slowly and watch the shadows travel.

• Crouch until your eye is nearly level with the panel and sight down its length, not straight down at it.
• Find a straight edge to reflect — a garage door track, a fence line, a utility line, a light fixture, a roofline.
• Move your head slowly side to side. Dents announce themselves as a wobble traveling through the reflected line.
• Do one panel at a time and cover the whole panel before moving on.

Wash it first, then dry it completely

Dust, road film, and water spots scatter reflections and hide exactly the detail you are trying to see. Beads of water are worse — each one is a tiny lens that both mimics a dent and conceals a real one. Wash the car, dry it thoroughly, and only then start looking. It sounds fussy. It is the difference between finding forty dents and finding four.

Panel by panel: where hail actually lands

Hail falls at an angle set by the wind, so damage is rarely distributed evenly. Start with the surfaces facing up, then work down the sides that faced into the storm.

Roof

The roof takes the worst of it and is the panel almost nobody checks, because you cannot see it without standing on something. Get a step stool or stand on a curb. On SUVs and trucks, check the area around the antenna base and any roof rails, where dents cluster and are easy to miss.

Hood and trunk lid

Both are large, flat, and highly reflective, which makes them the best places to practice reading a reflected line. Look at the middle of the hood as well as the edges — damage in the center often shows only from a low angle at one end.

Upper door panels, fenders, and quarter panels

Wind-driven hail hits vertical surfaces too, concentrated on the upper third of the doors and along the shoulder line above the door handles. The lower door area is usually cleaner. If one whole side of the vehicle looks untouched, that side probably faced away from the wind — check the other side carefully.

Roof edges, pillars, and drip rails

The narrow strips of metal along the top edge of the doors and around the windshield frame collect damage that is nearly invisible from any normal standing position. These areas also matter for repair planning, because access behind them is limited.

Glass, mirrors, lights, and trim

Sheet metal is not the whole story. Walk the vehicle a second time looking only at the non-metal parts.

• Windshield and rear glass: look for small star chips or short cracks, especially near the edges. Sight across the glass from the side rather than straight through it.
• Sunroof glass and its surrounding trim panel, which sits flat and takes direct hits.
• Mirror housings and caps: painted plastic dents and cracks differently than steel and is easy to overlook.
• Headlight and taillight lenses: check for hairline cracks and for condensation inside, which suggests a compromised seal.
• Plastic body cladding, spoilers, and roof rack rails, along with the antenna fin.
• Chrome and painted moldings around the windows, which can show shallow pocking.

Note anything you find. Damage to glass and lamps is documented separately from dent count on an estimate, and it is commonly missed on a fast first write-up.

Damage that only shows from certain angles

A dent you cannot see from one position is often obvious from another six inches away. This is the most counterintuitive part of hail inspection and the reason two honest people can look at the same hood and disagree.

Reflected light lines curve differently depending on where your eye is relative to the panel and to the light source. Move deliberately: sight down the panel from the front, then from each side, then from behind. Change your height. Change the angle of your flashlight. Damage appears and disappears as those relationships change, which is exactly why a fixed lighting rig and a trained technician find more than a phone photo taken from six feet away.

Photographs are the weakest form of inspection for the same reason. A camera locks in one angle and one light source. If your first estimate came from photos you uploaded through an app, treat the resulting number as a starting point rather than a conclusion — that is a large part of why supplements exist.

"I don't see anything" usually means undiscovered damage

If hail large enough to be reported fell where your car was parked, the realistic possibilities are that the vehicle has damage you have not found yet, or that it has light damage that a proper inspection will quantify. Vehicles that sat outside through a significant hail event and came out genuinely untouched exist, but they are the exception rather than the rule.

Two practical reasons this matters. Hail damage does not repair itself and does not become easier to prove later; the further you get from the storm date, the harder it is to tie the damage to that event. And unrepaired dents follow the car — they show up at trade-in appraisal, at lease turn-in, and in a private sale, usually costing more than the owner expected.

• Write down the storm date and the vehicle's location when it happened.
• Photograph the car in raking light, close and at a low angle, with something reflective in the frame.
• Save any local weather report or radar screenshot for that date.
• Do not wait for the car to look worse. It will not.

When to get a professional inspection

Get the vehicle looked at properly if hail fell where it was parked and any of the following is true: you found even a few dents, you cannot get a clear look at the roof, the car was outside during a storm reported with quarter-size or larger stones, or you simply are not confident in what you saw.

A real hail inspection is not a walk-around in a parking lot. The vehicle is washed, brought indoors, and read under long reflective lighting boards by a technician who does this work year-round. Dents are counted per panel by size, and the result is a written scope you can compare against whatever your carrier's first estimate said. It takes a short appointment and it produces facts instead of guesses.

888 PDR runs a dedicated hail line out of a 25,000 sq ft facility at 4707 LBJ Fwy in Dallas, with a second location at 1015 Avenue I in Scottsbluff, Nebraska. Inspection is free, we bill carriers directly, and we handle the supplement process with your adjuster. See our hail damage and paintless dent repair services for what the repair itself involves, or read how to file a hail claim in Texas if you have not opened a claim yet.

Frequently asked questions