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 airbag, airbag occupancy sensor, air conditioning, 17" aluminum wheels, cruise control, ABS and driveline traction control, electronic stability.