Check your tire pressures, likely have one down just a little and as you drive the tire temp increases therefore increasing tire pressure which would put the service indicator out once it reads to proper specs.
Owers manual should also have more info.
NVR2LOW & THE 2 LOW CREW (Wife, Son & Daughter)
2007 Chevrolet Colorado Crew Cab ZQ8
2" Belltech Drop Ball Joints, 2" Belltech Drop Blocks
Bedrug liner, Checkmate FX Tonneau Cover
GM premium molded carpet floor mats
Canyon & Colorado club of Canada ( member #7 )