应该是Climate Control中的一个功能。4 F/ `* }5 v5 U" s k+ i* u3 i- D
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"BI-LEV" Mode:7 v* Z" f% p. N% _$ j
With bi-level mode activated, the A/C compressor is turned 0 J, V- d: N! z7 P; o8 d# n. Con. Temperature, blower speed, and air distribution are automatically* q& O5 C: t3 W2 [* N( G! }7 `0 H
regulated. Air distribution is fixed at center and footwell outlets.6 ` K) P. I3 S