Q: does this vechilce have a timing belt or chain ? on 2005 Lexus RX330

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
How do I know if I have a timing belt that needs to be changed. And if so, at what interval does this change have to occur ?
(3) Answers
Most V6 and V8 vehicles have timing chains. Timing belts are more often seen in 4cyl engines.