应该是Climate Control中的一个功能。 " D: z) E" X/ E9 l/ C0 H( N- A3 y" s6 {3 F4 S
"BI-LEV" Mode:5 _5 D; E# V: G1 i' ~0 D
With bi-level mode activated, the A/C compressor is turned 9 u+ ^5 h3 m$ T) S) g2 ^" ]on. Temperature, blower speed, and air distribution are automatically3 x7 C0 e- v* a' @2 L+ m3 W3 @0 t
regulated. Air distribution is fixed at center and footwell outlets." `) v' v- a# w" |