The base SLE trim level was produced from 2002–2009, and included a plentiful amount of standard equipment, including full power equipment (power front seats, power door locks, power windows, and power mirrors), keyless entry, cloth seating surfaces, an A/M-F/M stereo with single-disc CD player (later, with satellite radio), a four-speaker audio system, OnStar, aluminum-alloy wheels, a full-size spare tire with black-painted steel spare wheel, a 65/35 split-folding rear bench seat, faux carbon fiber interior trim panels, a cruise control, a dual-zone, manual climate control system, the 4.2L Vortec Inline Six-Cylinder (I6) gasoline engine, and a four-speed automatic transmission. Optional features included an in-dash, six-disc CD changer, a Bose six-speaker premium amplified audio system, a rear DVD entertainment system by Panasonic, a security system, polished aluminum-alloy wheels, a leather-wrapped steering wheel, luxury leather-trimmed seating surfaces, dual heated front bucket seats, and a power moonroof.