You have two serpentine belts. The inner belt runs the alternator and A/C, and the outer one runs the power steering. You have to remove the outer belt to gain access to the inside belt.
Raise vehicle and remove passenger side wheel.
Remove splash shield.
Locate power steering pulley (towards the firewall).
On the back side of the pulley towards the timing cover, locate and loosen power steering pivot and lock bolts.
Use 1/2" wrench to loosen the tension.
Loosen idler pulley (called automatic belt tensioner in the picture) lock bolt and adjuster bolt.