Glossary of Terms: Tip-In-Moan:
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
A light moaning noise heard during light vehicle acceleration, usually between 40.2 kmh (25 mph) - 104.6 kmh (65 mph).