[header] How to check and add fluid to your automatic transmission [title] Park your car on a level surface with the engine running. [step] You may want to shift the transmission briefly through each of its gear settings before putting it in park. [title] Raise the hood. 
[step] There's usually a lever on the inside of your car that pops the hood, usually near the left hand side of the cockpit. Consult your owner's manual if you are unable to find it.