Guidance control does not require access to alternatives; it is manifested when an agent guides her behavior in a particular direction, regardless of whether it was open to her to guide her behavior in a different direction.
Fischer and Ravizza begin with a distinction between regulative control and guidance control. Regulative control involves the possession of a dual power: “the power freely to do some act A, and the power freely to do something else instead” (1998: 31). Guidance control, on the other hand, does not require access to alternatives: it is manifested when an agent guides her behavior in a particular direction (and regardless of whether it was open to her to guide her behavior in a different direction). Since Fischer and Ravizza take Frankfurt cases (§1) to show that access to behavioral alternati...