Andre,
Are you having an issue with your transmission? Or is it working fine. If it is working fine, check the transmission fluid level (to make sure you have the correct level), then I would not worry about it as long as it is working fine.
Are you having an issue with your transmission? Or is it working fine. If it is working fine, check the transmission fluid level (to make sure you have the correct level), then I would not worry about it as long as it is working fine.