TL V6-3.5L (2007)
4. Replace the plug at the specified interval or if the center electrode is rounded (A). Use only the spark plugs listed.
5. Apply a small amount of anti-seize compound to the plug threads, and screw the plugs into the cylinder head, finger-tight. Torque them to 18 N.m
(1.8 kgf.m, 13 lbf.ft).