The five-speed manual transmission is from the Hummer H3, GMC Canyon, and Chevrolet Colorado The five-speed automatic is from the Cadillac CTS, STS, and SRX The Sky's backup light is shared with the first generation Chevrolet Volt Vehicles Vehicles based on this platform: Pontiac Solstice Saturn Sky / Opel GT / Daewoo G2X Tauro Sport Auto V8 Spider Concept vehicles based on this platform: Breckland Beira Chevrolet Nomad Saturn Curve Saab Sonnett Vauxhall VX Lightning References External links Forum for the GM Kappa Platform based cars; Pontiac Solstice, Saturn Sky, Opel GT & Daewoo G2X Kappa