A system for a vehicle comprising: a first shutter assembly (12, 14) adapted to be mounted proximate a first opening in the vehicle and having a first louver movable between a first position allowing airflow through the first opening in the vehicle and a second position restricting airflow through the first opening; a second shutter assembly (12, 14) adapted to be mounted to the vehicle proximate a second opening in the vehicle and having a second louver movable between a first position allowing airflow through the second opening and a second position restricting airflow through the second opening; and a drive mechanism (16, 116) driving said first and second louvers between said first and second positions, said drive mechanism including: a rotatable member (36, 136) including first and second arcuate grooves (56, 58, 156, 158) respectively disposed on first and second opposite sides (52, 54) of the rotatable member (36, 136) and at least partially around a rotational center of said rotatable member (36, 136); a motor drivingly engaging said rotatable member (36, 136); a first connecting member (41, 42) having a first portion (38, 40) slidably engaging said first arcuate groove (56, 58, 156, 158) and a second portion connected to said first louver, said first connecting member (41, 42) moving said first louver between said first and second positions in response to relative movement between said first arcuate groove (56, 58, 156, 158) and said first portion (38, 40) of said first connecting member (41, 42); and a second connecting member (41, 42) having a first portion (38, 40) engaging said second arcuate groove (56, 58, 156, 158) and a second portion connected to said second louver. a first shutter assembly (12, 14) adapted to be mounted proximate a first opening in the vehicle and having a first louver movable between a first position allowing airflow through the first opening in the vehicle and a second position restricting airflow through the first opening; a second shutter assembly (12, 14) adapted to be mounted to the vehicle proximate a second opening in the vehicle and having a second louver movable between a first position allowing airflow through the second opening and a second position restricting airflow through the second opening; and a drive mechanism (16, 116) driving said first and second louvers between said first and second positions, said drive mechanism including: a rotatable member (36, 136) including first and second arcuate grooves (56, 58, 156, 158) respectively disposed on first and second opposite sides (52, 54) of the rotatable member (36, 136) and at least partially around a rotational center of said rotatable member (36, 136); a motor drivingly engaging said rotatable member (36, 136); a first connecting member (41, 42) having a first portion (38, 40) slidably engaging said first arcuate groove (56, 58, 156, 158) and a second portion connected to said first louver, said first connecting member (41, 42) moving said first louver between said first and second positions in response to relative movement between said first arcuate groove (56, 58, 156, 158) and said first portion (38, 40) of said first connecting member (41, 42); and a second connecting member (41, 42) having a first portion (38, 40) engaging said second arcuate groove (56, 58, 156, 158) and a second portion connected to said second louver. a rotatable member (36, 136) including first and second arcuate grooves (56, 58, 156, 158) respectively disposed on first and second opposite sides (52, 54) of the rotatable member (36, 136) and at least partially around a rotational center of said rotatable member (36, 136); a motor drivingly engaging said rotatable member (36, 136); a first connecting member (41, 42) having a first portion (38, 40) slidably engaging said first arcuate groove (56, 58, 156, 158) and a second portion connected to said first louver, said first connecting member (41, 42) moving said first louver between said first and second positions in response to relative movement between said first arcuate groove (56, 58, 156, 158) and said first portion (38, 40) of said first connecting member (41, 42); and a second connecting member (41, 42) having a first portion (38, 40) engaging said second arcuate groove (56, 58, 156, 158) and a second portion connected to said second louver.