One problem related to harness/crotch buckle has been reported for the 2018 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Toyota Sienna based on all problems reported for the 2018 Sienna.
The contact owns a baby trend car seat equipped in the 2018 Toyota Sienna. The buckle handle on the left side was hard to operate. The contact also stated the harness connection was faulty. The manufacturer was notified of the failure and informed the contact to send the car seat back to them; however, the contact stated she needs a backup car seat. The safety seat was not repaired or replaced. The approximate failure mileage was 71,000.
| Child Seat Material/padding problems | |
| Harness/crotch Buckle problems |