ATF+4® MUST always be used in vehicles that were originally filled with ATF+4®.
ATF+4® is compatible with ATF+3 and can be used to top off vehicles that currently have ATF+2 or ATF+3.
DO NOT use ATF+2 or ATF+3 to top off vehicles that have ATF+4® fluid
The use of non-recommended fluids can result in transmission failure. The usual results are erratic shifts, slippage, abnormal wear and eventual failure due to fluid breakdown and sludge formation. Avoid this condition by using recommended fluids only.