For 2012, the Buick Enclave CX and CXL trim level names and badging are eliminated, and available in four equipment groups include 1SB (Buick Enclave Base), 1SD (Convenience), 1SL (Leather) and 1SN (Premium), all-wheel drive is also available. Another highlight for the 2012 Buick Enclave includes standard hill-hold assist braking technology that automatically holds brake