Automobiles use various types of grease for different applications within their systems. Commonly used greases include lithium-based greases, which are versatile and work well for general lubrication of chassis components, wheel bearings, and suspension systems. For high-temperature applications like wheel bearings, disc brake wheel bearings, and universal joints, synthetic greases with complex thickeners are preferred due to their ability to withstand extreme temperatures. Additionally, molybdenum disulfide (moly grease) is utilized in places where metal-to-metal contact occurs, providing excellent lubrication and anti-seize properties. Silicone greases find their place in electrical components due to their non-conductive nature, preventing electrical malfunctions. Lastly, polyurea-based greases are commonly used in sealed-for-life applications due to their stability and resistance to oxidation. Ultimately, the choice of grease depends on the specific component and conditions in which it operates, with each type offering unique properties to ensure optimal performance and longevity of automobile systems.