How to effectively maintain the transmission of a Ford S-Max?

I have noticed that my Ford S-Max's transmission seems to be malfunctioning. What are some tips for properly maintaining and servicing the transmission to prolong its lifespan?

Regularly check the transmission fluid level and quality to ensure it is not contaminated or low. Also, follow the recommended maintenance schedule for changing the transmission fluid and filter.

Avoid placing excessive strain on the transmission by using the correct gear and avoiding harsh acceleration and braking. This will help prevent premature wear and tear.