The standard features of the Chevrolet Trailblazer LS include ECOTEC 1.2L I-3 137hp intercooled turbo engine, 2-speed CVT transmission with overdrive, 4-wheel anti-lock brakes (ABS), Side seat mounted airbags, Curtain 1st and 2nd row overhead airbags, rear side impact airbag, driver and passenger knee airbags, Airbag occupancy sensor, Air conditioning, 17" aluminum wheels, Cruise control, ABS and driveline traction control, Electronic stability