How to Add Antifreeze to a 2003 Ford Focus
- 1). Open the hood, and locate the plastic resevoir to the left of the engine block.
- 2). Remove the resevoir cap and set it aside.
- 3). Place the funnel into the resevoir, and pour in coolant until it reaches the fill line.
- 4). Remove the funnel, replace the cap and shut the hood.