Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on the paint surface that resemble hard water spots. Unlike water spots however, acid rain damage cannot be removed by regular washing procedures. Also, because acid rain can etch and soften the paint, normal buffing or polishing repair procedures should not be attempted. This can cause further damage
full bulletin at NHTSA ↗2006 Toyota Prius body problems
moderate 11 complaints filed with NHTSA · avg repair $1,500 · see body across all vehicles →
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering body on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer. Consequently, the film should remain on the wheel for as long as possible.
full bulletin at NHTSA ↗The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint and appears as pitting or water spots. As acid rain droplets on the vehicle surface evaporate, the concentration strength of the acid increases, causing deeper and more rapid damage. This evaporation and corrosive action also occur more rapidly on dark colored cars as direct sun heat increases. It
full bulletin at NHTSA ↗Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure in this bulletin to remove the RapgardTM protective film within 90 days from initial application.
full bulletin at NHTSA ↗Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the presence of small, red or brown particles on the paint surface. These particles are often difficult to see on dark color paints but can be easily felt when brushing a hand across horizontal body surfaces such as the hood, roof, or deck lid. Follow the Repair Procedure in this bulletin to clean vehicles that may have been subjected to contamination by airborne iron particles such as rail dust during rail transportation or extended storage near industrial ar
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners consistently describe the rear hatch release handle rubber cover deteriorating into a sticky, black, tar-like substance that starts around the 2-year mark and worsens severely by year 3–4. The gooey mess stains fingers and gets under fingernails during every hatch opening. In cold weather, the same material hardens and prevents the hatch from opening at all—a temperature-dependent failure that compounds the safety problem. Multiple owners living in warm climates (Florida, Alabama, Missouri) report the failure is widespread and well-known in those regions.
The trunk latch suffers an identical problem: rubber melts in summer heat, rendering the trunk unoperable until cooler weather returns. This repeating seasonal cycle makes trunk access unreliable.
One owner experienced water leaking from the windshield area due to improper installation, and another reported front fenders separating from the body at under 43,000 miles—both unresolved by dealer service.
Owners cite repair quotes of $96–$500 for parts and $200–$300 in labor, with Toyota charging full price despite acknowledging the defect. Dealerships eventually shifted to plastic replacement parts. Toyota has not issued a recall and reportedly only covers repairs under extended warranty, leaving owners with factory warranty coverage to pay out of pocket.
Same Toyota Prius body reports on nearby years: 2007 · 2008 · 2009
Failure modes owners describe
Rear Hatch Release Handle Rubber Deterioration and Melting
The rubber cover on the exterior rear hatch release handle degrades over time, becoming sticky, gooey, and tar-like. The material softens and spreads, making the handle difficult to operate. In some cases, the deterioration progresses to hardening in cold weather, making hatch operation temperature-dependent. Owners report the failure starts around 2-4 years of use, worsens in hot climates, and gets worse in triple-digit temperatures.
When: 2-4 years of use; failure noticeable around 3-4 year mark; worsens in hot climates (Florida, Alabama, Missouri, San Diego); varies with temperature
Symptoms owners cite: Rubber cover becomes sticky and tar-like; Black gooey substance that stains fingers and gets under fingernails; Difficult or impossible to open rear hatch; Handle hardens in cold weather, limiting operability; Material deteriorates despite mild climate and hand-washing only
Repairs/costs cited: Toyota dealers quote replacement of entire wiring harness or complete part assembly at $96–$500, with labor costs of $200–$300. One dealer mentioned switching to plastic replacement part ($230). Owners report Toyota only fixes under extended warranty, not standard coverage.
Recalls/TSBs owners mention: No recall issued; Toyota acknowledged problem to some owners but charges for repair; material later changed to plastic in replacement parts
Water Leak from Windshield Area
Water leaks from the ceiling area near the front windshield. Dealer inspection did not diagnose the failure. Root cause identified as improper windshield installation (windshield replaced before failure and not installed correctly).
When: At 60,000 miles
Symptoms owners cite: Water leaking from ceiling area near front windshield
Repairs/costs cited: Not repaired during initial dealer visit; owner later identified windshield installation as cause
Front Fender and Rocker Panel Separation
Both front fenders separated from body and rocker panel with visible quarter-inch gap on both front sides. Dealer attributed failure to driving over railroad tracks and bumps rather than manufacturing defect.
When: Under 43,000 miles
Symptoms owners cite: Front fenders separated from vehicle body and rocker panel; Quarter-inch gap visible on both front sides
Recalls/TSBs owners mention: Case filed with manufacturer; owner awaiting return call. Dealer blamed driving conditions rather than design or assembly defect.
Trunk Latch Rubber Melting
The rubber component on the trunk latch melts when exposed to hot weather, becoming unusable. The failure repeats every summer, eventually rendering the trunk unable to open. In cold weather, the trunk latch also becomes difficult or impossible to operate.
When: Recurring seasonally; worsens each summer
Symptoms owners cite: Trunk latch rubber melts in hot weather; Trunk becomes difficult to open or does not open at all; Cannot open trunk in cold weather; Failure repeats every summer
Synthesized from 11 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Common questions
How serious is the body problem on the 2006 Toyota Prius?
It's a documented issue but not catastrophic. 11 complaints have been filed. Repairs average $1,500 and most owners catch it before it causes a breakdown.
At what mileage does the body typically fail?
Across the 9 complaints that reported odometer mileage, most body failures cluster between 40,000 and 60,000 miles, with the median around 43,000. A quarter of owners report trouble before 40,000; a quarter make it past 60,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $1,500 for body repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to body?
No active recalls currently cover body issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.