应该是Climate Control中的一个功能。7 E" A/ ~" h' {# q; ^2 S8 M/ g
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"BI-LEV" Mode: ; Z" ~8 v! u a5 p, YWith bi-level mode activated, the A/C compressor is turned* ~' ^* ~+ Z9 h) C( \
on. Temperature, blower speed, and air distribution are automatically ) @; u9 a" l* j$ tregulated. Air distribution is fixed at center and footwell outlets.. X# L# |2 n9 O# V& D6 @