When To Change Spark Plugs In My Pt Cruiser

When do I need to change the spark plugs in my 2008 Pt Cruiser. It has 29k miles.
and when is a good time to change the belt?
yea I have the basic warranty 36k miles, and have a Ford service contract warranty for up to 100k.

Answers for The Question

  1. Frankie
  2. Hyundai Service
  3. Timbo is here
  4. kelly_f_1999
  5. bandit_60
  6. Joe Ferrero