应该是Climate Control中的一个功能。 ' c1 P" C7 A: N& B+ _- Q9 @/ O, n7 Y
"BI-LEV" Mode: 4 [7 f- a& i3 M1 m& j5 Z/ n0 D- d5 ]With bi-level mode activated, the A/C compressor is turned% Z. K- `7 f3 I4 Z& R5 g: ?8 j
on. Temperature, blower speed, and air distribution are automatically; D' k5 n7 U" S& G
regulated. Air distribution is fixed at center and footwell outlets.3 f3 q. Z, t0 a; P. z/ X