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2015–2026 Toyota Sienna FAQ
Can I use the Sienna's exclusive jump-starting terminal to start another vehicle?
2026
Use the exclusive jump-starting terminal only to charge this Sienna's 12-volt battery from another vehicle; it cannot jump-start another vehicle.
Page 678 in the 2026 manual →When should I perform general and scheduled maintenance?
2015–2026
Perform general maintenance daily, and perform scheduled maintenance at the specified intervals in the maintenance schedule.
Page 535 in the 2026 manual →What should I do if airflow from the vents decreases dramatically?
2021–2026
Check the air-conditioning filter and replace it if necessary; always keep a filter installed to avoid damaging the system.
Page 588 in the 2026 manual →2015–2020
Replace the filter according to the maintenance schedule, but dusty areas or heavy traffic may require more frequent cleaning or earlier replacement.
If airflow from the vents decreases dramatically, check the filter because it may be clogged, and replace it if necessary.
Page 435 in the 2020 manual →How do I turn on or flash the high beams?
2026
With the headlights on, push the lever away to turn on the high beams, then pull it to center to turn them off.
To flash the high beams, pull the lever toward you and release it; flashing works with the headlights on or off.
Page 324 in the 2026 manual →What does it mean if the tire pressure warning light blinks and stays on?
2026
If the light blinks for approximately one minute and then stays on, the tire pressure warning system may be malfunctioning; have the vehicle inspected by your Toyota dealer immediately.
Page 631 in the 2026 manual →How should I choose replacement spark plugs?
2026
Use DENSO FC16HR-Q8 iridium-tipped spark plugs, and do not adjust the spark plug gap.
Page 692 in the 2026 manual →2021–2023
Use only iridium-tipped DENSO FC16HR-Q8 spark plugs, and do not adjust the 0.031-in. (0.8-mm) gap.
Page 522 in the 2023 manual →2015–2020
Use only iridium-tipped spark plugs, and do not adjust the spark plug gap.
Page 520 in the 2020 manual →What does the check engine light mean, and what should I do?
2026
If the malfunction indicator lamp comes on, the OBD system detected an emissions-control problem; contact your Toyota dealer for service.
Page 540 in the 2026 manual →2015–2020
A loose fuel tank cap can turn on the malfunction indicator lamp for a temporary malfunction; the vehicle may not pass the I/M test, and the code will not clear until it is driven 40 or more times, so contact your Toyota dealer to prepare for retesting.
Page 404 in the 2020 manual →Toyota Sienna complaints to NHTSA
Complaints that owners filed with NHTSA for each model year. They are unverified reports and are not adjusted for how many vehicles were sold.
| Year | Complaints | Crashes / fires / injuries | Most reported areas |
|---|---|---|---|
| 2026 | 0 | 0 / 0 / 0 | None reported |
| 2023 | 66 | 8 / 0 / 5 | Service brakes (26), Unknown or other (17), Electrical system (6) |
| 2021 | 43 | 0 / 1 / 1 | Air bags (13), Service brakes (7), Structure (5) |
| 2020 | 38 | 0 / 1 / 0 | Power train (8), Electrical system (7), Unknown or other (6) |
| 2019 | 45 | 2 / 0 / 4 | Unknown or other (8), Power train (7), Fuel/propulsion system (7) |
| 2018 | 72 | 5 / 0 / 6 | Power train (20), Unknown or other (13), Fuel/propulsion system (9) |
| 2017 | 154 | 13 / 4 / 11 | Power train (37), Unknown or other (25), Electrical system (20) |
| 2016 | 75 | 7 / 1 / 6 | Structure (26), Unknown or other (14), Electrical system (9) |
| 2015 | 232 | 17 / 7 / 28 | Structure (61), Electrical system (44), Unknown or other (43) |
| 2014 | 163 | 6 / 2 / 3 | Structure (44), Unknown or other (27), Electrical system (16) |
| 2013 | 183 | 7 / 1 / 9 | Structure (44), Unknown or other (33), Electrical system (22) |
| 2012 | 247 | 10 / 4 / 13 | Air bags (84), Structure (72), Unknown or other (28) |
| 2011 | 614 | 34 / 7 / 36 | Air bags (211), Structure (154), Electrical system (69) |
| 2010 | 172 | 15 / 2 / 13 | Structure (57), Unknown or other (25), Electrical system (20) |
| 2009 | 207 | 15 / 3 / 49 | Structure (97), Unknown or other (37), Electrical system (28) |
| 2008 | 429 | 37 / 4 / 19 | Structure (117), Vehicle speed control (51), Electrical system (45) |
| 2007 | 364 | 29 / 6 / 47 | Structure (102), Engine (42), Air bags (37) |
| 2006 | 1,017 | 37 / 2 / 53 | Air bags (307), Structure (261), Electrical system (85) |
| 2005 | 1,130 | 39 / 8 / 71 | Structure (499), Latches/locks/linkages (135), Seat belts (83) |
| 2004 | 2,062 | 51 / 8 / 180 | Structure (962), Latches/locks/linkages (308), Steering (159) |
| 2003 | 116 | 13 / 2 / 11 | Latches/locks/linkages (22), Structure (19), Service brakes (14) |
| 2002 | 207 | 19 / 4 / 21 | Structure (43), Latches/locks/linkages (31), Service brakes (29) |
| 2001 | 185 | 15 / 0 / 12 | Structure (35), Latches/locks/linkages (34), Engine and engine cooling (24) |
| 2000 | 374 | 22 / 4 / 26 | Engine and engine cooling (70), Power train (66), Structure (51) |
| 1999 | 217 | 15 / 5 / 26 | Engine and engine cooling (39), Structure (36), Tires (28) |
| 1998 | 302 | 19 / 3 / 17 | Service brakes (47), Hydraulic (43), Latches/locks/linkages (40) |
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All Toyota Sienna manuals
| Year | Generation | Pages | File |
|---|---|---|---|
| 2026 | 2026 | 777 pages | 18.7 MB |
| 2023 | 2021–2023 | 602 pages | 15.6 MB |
| 2021 | 2021–2023 | 601 pages | 22.4 MB |
| 2020 | 2015–2020 | 584 pages | 12.0 MB |
| 2019 | 2015–2020 | 584 pages | 12.0 MB |
| 2018 | 2015–2020 | 584 pages | 11.5 MB |
| 2017 | 2015–2020 | 672 pages | 13.3 MB |
| 2016 | 2015–2020 | 668 pages | 12.7 MB |
| 2015 | 2015–2020 | 664 pages | 11.8 MB |
| 2014 | 2011–2014 | 872 pages | 13.8 MB |
| 2013 | 2011–2014 | 876 pages | 13.7 MB |
| 2012 | 2011–2014 | 860 pages | 13.6 MB |
| 2011 | 2011–2014 | 792 pages | 12.4 MB |
| 2010 | 2009–2010 | 592 pages | 9.3 MB |
| 2009 | 2009–2010 | 592 pages | 9.9 MB |
| 2008 | 2004–2008 | 572 pages | 11.2 MB |
| 2007 | 2004–2008 | 534 pages | 10.6 MB |
| 2006 | 2004–2008 | 518 pages | 10.3 MB |
| 2005 | 2004–2008 | 516 pages | 11.1 MB |
| 2004 | 2004–2008 | 506 pages | 11.0 MB |
| 2003 | 1998–2003 | 340 pages | 6.7 MB |
| 2002 | 1998–2003 | 334 pages | 6.7 MB |
| 2001 | 1998–2003 | 330 pages | 6.8 MB |
| 2000 | 1998–2003 | 282 pages | 5.7 MB |
| 1999 | 1998–2003 | 272 pages | 5.7 MB |
| 1998 | 1998–2003 | 263 pages | 5.3 MB |
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