Make sure who ever services your vehicle uses the correct things. Toyota ATF, NGK iridium plugs, Toyota coolant etc etc…Your original spark plugs should be good for at least 100k miles and you do not have spark plug wires since yours is a coil over plug ignition system. Also you don’t have to worry about a fuel filter, as yours is not considered a regular service item. Your Toyota T-IV ATF is called a lifetime fluid by Toyota, but don’t believe that. Just get drain and fill every 25-30k or so, no flush required, and you should be good.