How do I prevent my Ford Focus transmission from slipping?

I've noticed that occasionally my Ford Focus's transmission will slip when shifting gears. What could be causing this and how can I prevent it?

It's important to regularly check and replace your transmission fluid as old fluid can cause slipping. Also, make sure to bring your car in for service if the issue persists.

Some Ford Focus models have known issues with the transmission. Check if your specific model is under recall and make sure to get any necessary repairs done.