应该是Climate Control中的一个功能。 + t$ X# |& a. s" |& D* I% G5 g& u: [- p' k: e/ h# G
"BI-LEV" Mode:0 \; H% h+ c* O$ j. b# \: I' ?# ^
With bi-level mode activated, the A/C compressor is turned! u% d! w+ Q9 ` f+ G
on. Temperature, blower speed, and air distribution are automatically & B& W9 k/ o6 Eregulated. Air distribution is fixed at center and footwell outlets.7 y8 G3 Q; `2 e; H4 L! P