Owners Manual
Page 529
... not be covered under warranty. vii 2007 SIENNA from the modification may not be modified with your Toyota vehicle. This vehicle should know that Toyota does not warrant these products and is not responsible for their performance, repair, or replacement..., or for precautionary measures or special instructions regarding installation. Modification with non−genuine Toyota products could affect electronic systems such as multiport fuel injection system/sequential multiport fuel injection system, electronic throttle...
... not be covered under warranty. vii 2007 SIENNA from the modification may not be modified with your Toyota vehicle. This vehicle should know that Toyota does not warrant these products and is not responsible for their performance, repair, or replacement..., or for precautionary measures or special instructions regarding installation. Modification with non−genuine Toyota products could affect electronic systems such as multiport fuel injection system/sequential multiport fuel injection system, electronic throttle...