应该是Climate Control中的一个功能。9 j2 d, w$ V9 S2 R
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"BI-LEV" Mode:6 w% T, V5 U( A+ H/ O3 P
With bi-level mode activated, the A/C compressor is turned ' B' l; a# n6 l0 @* T$ k( Xon. Temperature, blower speed, and air distribution are automatically5 V8 d) I; R/ `3 Y
regulated. Air distribution is fixed at center and footwell outlets. ]: A- T+ X: o. F% \! W, [; p! _