How do you change the belts on a i30 infiniti?

To change the belts on an Infiniti I30, first ensure the engine is off and cool. Begin by removing any obstructions, such as the engine cover, if applicable. Use a wrench to release tension from the serpentine belt tensioner, then slide the belt off the pulleys. Install the new belt by routing it according to the belt diagram, and finally, release the tensioner to secure the belt in place. Always double-check the alignment and tension before starting the engine.