To find the location:
1. Consult your owner's manual: This is the best resource. It will have diagrams showing the location and potentially even instructions for replacement.
2. Use an online repair manual: Websites like Chilton or Haynes offer repair manuals specific to your year and model. These will have detailed diagrams and instructions.
3. Search online for your specific year, make, model, and engine: A search like "2007 Chrysler Sebring 2.7L spark plug location" will likely yield images and information from forums or repair sites.
Warning: Working on spark plugs involves high voltage and potential for burns. If you are not comfortable with automotive repair, take your vehicle to a qualified mechanic.