2005 Toyota Sienna Owners Manual - Page 518

SIENNA (QRG_U) J Operation Requirements Cruising from about 45 km/h (28 mph) to about 135 km/h (85 mph) y16058q The wipers are not operating at all or operating intermittently (including the same wiper operation in the "AUTO" position). The selector lever is in the "D" position. Even if these requirements are met, the system may not operate properly under certain conditions such as bad weather. See "Owner's Manual" for details. See Owner's Manual for Complete Information. −2− 2005 SIENNA QRG from Sep. '04 Prod. (OM45430U)