应该是Climate Control中的一个功能。9 i6 I; e/ I- ^5 b
2 e- {2 d# U1 b, \
"BI-LEV" Mode:3 v. M$ Q2 w3 l
With bi-level mode activated, the A/C compressor is turned# R3 f! o4 k$ _; |# ]" w( a' u
on. Temperature, blower speed, and air distribution are automatically2 n5 x0 M" B& y: k; E
regulated. Air distribution is fixed at center and footwell outlets.3 u% ?+ \( m- f$ K4 e' F