Retain Drive Mode?

[SloopJB]

They have not. And Slippery only applies to the Hybrid and if one is see-sawing between off-throttle regen (which slippery applies less of) and acceleration

I’m not sure of your meaning, however my 24 FX4 Ecoboost has “Slippery” as one of the options.

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[Darnon]

I’m not sure of your meaning, however my 24 FX4 Ecoboost has “Slippery” as one of the options.

In regards to Slippery being more fuel efficient. In the case of the hybrid the slippery drive mode applies less regenerative braking when off of the throttle. While regenerative braking recoups some of the energy back into the battery, one doesn't want to be incidentally sapping kinetic energy when cruising.