Airbag failed to deploy in a crash on the 2008 Hyundai Santa FE
9 crashes 8 injuries 17 of the 9 reports for this failure mention a crash, a fire, an injury or a death. Those are the owner's words on the complaint form, not a verified finding, and one report can mention more than one.
When airbag failed to deploy in a crash gets reported
Owners of the 2008 Hyundai Santa FE report airbag failed to deploy in a crash at a median of 120,000 miles. A quarter of the reports come in before 120,000 miles and a quarter after 120,000 miles, from 8 reports that carried an odometer reading.
A part like this is normally expected to survive 72,000 miles. It is the 16th most-reported problem on this model year.
The mileage distribution
The reported range runs from 85,000 miles at the tenth percentile to 125,000 miles at the ninetieth, a spread of 40,223 miles across the middle 80% of reports.
A window that narrow is the signature of a part that fails on its own schedule rather than on how the car is driven — which is usually a design or supplier problem rather than wear and tear.
13% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 84,510 miles | 120,000 miles | 120,000 miles | 121,183 miles | 124,733 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Of these reports, 9 a crash and 8 an injury are mentioned. Owners write their own complaints and the agency does not verify them, so read this as what the reports say happened rather than as a confirmed count.
Putting it right typically runs $1,000–$5,000 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
This mode is classified as critical, which means a failure can leave the car unable to stop, steer, or stay out of the way of traffic. It is weighted accordingly in the risk score.
The same failure on other years
The same failure is reported on 9 model years of this car. It shows up earliest on the 2003, at a median of 5,000 miles, and latest on the 2001 at 155,000 miles.
By volume the 2004 carries the most reports, with 10; the 2008 has 9. A mode that appears across most years of a model is usually a design choice rather than a bad batch.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
The last week for nov. 2008 I purchased a new santa fe for my wife. On 12/26/2008 she was involved in a head on wreck. My 25 yr. Old daughter who is very petty about 110 lbs. Was riding in the passenger seat and the air bags did not deploy. Due to the air bags not deploying she was injured very seriously. I had no idea that there were prior complaints about the air bags it appears that there has been quite a few complaints I hope something is done before someone is killed. The manufacture needs to fix this problem. *tr
Tl* the contact owns a 2008 hyundai santa fe. While driving approximately 55 MPH, the vehicle began to hydroplane without warning. The contact stated that the steering failed and, due to the contact attempting to apply the brakes, the vehicle began to spin. The vehicle crashed into the road divider. The passenger side of the vehicle was damaged. The air bags did not deploy. The vehicle was towed. A police report was filed. The contact received shoulder and back injuries, which required medical attention. The vehicle was taken to the dealer where it was diagnosed that the ball bearings on the front axle were worn out. The tie rods were replaced, but the calipers needed to be replaced also. The vehicle was repaired. The body of the vehicle was not repaired. The contact stated that the esc and ABS sensors illuminated. The contact returned the vehicle to the dealer where it was diagnosed that the tires and brake pads needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 120,000.
Tl* the contact owns a 2008 hyundai santa fe. While driving approximately 55 MPH, the vehicle began to hydroplane without warning. The contact stated that the steering failed and, due to the contact attempting to apply the brakes, the vehicle began to spin. The vehicle crashed into the road divider. The passenger side of the vehicle was damaged. The air bags did not deploy. The vehicle was towed. A police report was filed. The contact received shoulder and back injuries, which required medical attention. The vehicle was taken to the dealer where it was diagnosed that the ball bearings on the front axle were worn out. The tie rods were replaced, but the calipers needed to be replaced also. The vehicle was repaired. The body of the vehicle was not repaired. The contact stated that the esc and ABS sensors illuminated. The contact returned the vehicle to the dealer where it was diagnosed that the tires and brake pads needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 120,000.
Also reported on the 2008 Hyundai Santa FE
Fuel gauge or level sensor failure
Other fuel system problem
Other speed control problem
Fuel tank, filler or EVAP failure
Airbag warning light or occupant sensor fault
Other engine problem
How far this goes
Complaints are voluntary, so 9 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does airbag failed to deploy in a crash happen on the 2008 Hyundai Santa FE?
Across 8 owner reports that included an odometer reading, half were filed by 120,000 miles. A quarter were filed before 120,000 miles and a quarter after 120,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is airbag failed to deploy in a crash on the 2008 Hyundai Santa FE?
9 reports have been filed with NHTSA, about 0.1 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed