See also:

Engine oil
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Oils, Fluids and Flushing
In many cases, fluid discoloration is a normal operating characteristic and, by itself, does not necessarily indicate a concern or that the fluid needs to be changed. However, discolored fluids th ...

If your vehicle gets stuck in mud or snow
Note: Do not rock the vehicle if the engine is not at normal operating temperature or damage to the transmission may occur. Note: Do not rock the vehicle for more than a minute or damage to the ...