Front assembly: seat heater/cooler
Risk. If damaged, the copper strand heating element may short circuit, increasing the risk of a fire.
NHTSA has logged 429 owner complaints about the 2008 Toyota Sienna, most often about the structure. It is covered by 9 safety recalls, and for recall 16V-396 the manufacturer reports only 24% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 21, 2026. Updated daily. Photo: Elise240SX, CC BY-SA 4.0.
429 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Structure | 117 | 11 |
| Vehicle speed control | 51 | 22 |
| Electrical system | 45 | 2 |
| Engine | 39 | 2 |
| Power train | 38 | 7 |
| Steering | 33 | 0 |
| Electronic stability control (ESC) | 29 | 1 |
| Service brakes | 28 | 2 |
| Tires | 19 | 0 |
| 21 other systems | 134 | 16 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. If damaged, the copper strand heating element may short circuit, increasing the risk of a fire.
Risk. Damage to the seat heater wiring could cause the wires to short, increasing the risk of the seat burning and causing personal injury to the occupant.
Risk. If the carrier cable is corroded due to road salt, the spare tire may separate from the vehicle, increasing the risk of a crash.
Risk. If the shift lever is moved out of the Park position without the brake applied, the transmission will either engage a drive gear or Neutral, increasing the…
Risk. THE CABLE MAY BREAK DUE TO EXCESSIVE CORROSION AND THE SPARE TIRE MAY SEPARATE FROM THE VEHICLE, POSSIBLY RESULTING IN A VEHICLE CRASH.
Risk. A DRIVER MAY OVERLOAD A VEHICLE WHICH MAY INCREASE THE RISK OF A CRASH.
Risk. THE GVWR IS INSUFFICIENT FOR THE LOAD CARRYING CAPACITY OF THE VEHICLES.
Risk. INCORRECT LOAD CARRYING CAPACITY MODIFICATION LABELS COULD RESULT IN THE VEHICLE BEING OVERLOADED, INCREASING THE RISK OF A CRASH.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Toyota.
82kmiles, median
Based on the odometer reading in 101 structure complaints. 71% were reported before 100,000 miles.
Dollar amounts owners wrote in their complaints when describing a repair or a quote. These are not price estimates; a system is shown only when at least 8 owners mentioned a cost.
$1,500median
If a problem is covered by a recall, the dealer fixes it for free. Some manufacturers also reimburse owners who paid for a repair before a recall was announced.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sienna median. How we score
2008 Toyota Sienna w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.


Recent structure complaints filed with NHTSA, shortened. Personal details are removed.
MY VEHICLE HAS 138,000 MILES AND WHEN I INQUIRED ABOUT FIXING THE SLIDING DOOR, I WAS TOLD THAT THE RECALL WAS OVER IN 2016; HOWEVER, I KNOW OF A PERSON THAT WAS ABLE TO HAVE HIS VEHICLE FIXED BY TOYOTA. IN FACT, TOYOTA REPLACE BOTH THE DOOR SLIDING COMPONENTS / LATCHES. FOR MY VEHICLE I TRIED…
LIFT-GATE FRAME CRACKING AROUND LEFT HINGE. SAFETY HAZARD AS THE LIFT-GATE COULD BECOME UNSECURED WHILE DRIVING, OR DURING OPERATION, RESULTING IN INJURY OR CRASH. *TR
INSIDE DASHBOARD IS VERY STICKY AND ALWAYS SHOWS A GLARE ONTO THE WINDSHIELD WHILE DRIVING (SAFETY ISSUE); THE DASHBOARD DURING THE SUMMER TIME IS VERY MALLEABLE, IF YOU GENTLY PRESS ON IT, IT MOVES AS IF IT WAS MELTING SLOWLY. THIS HAS BEEN LIKE THIS FOR A FEW YEARS, WHEN I CONTACTED TOYOTA THEY…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.