GMC Terrain, Equinox, and SRX Forum banner
1-1 of 1 Results
  1. Engine & Drivetrain
    While driving with cruise on at 70 to 75 mph (not in Eco) on the highway, come to a slight grade and drop 2 or 3 mph, the transmission will downshift and accelerate to the set cruise speed. When reaching the top of the grade, the speed then goes over the set cruise speed and will coast until...
1-1 of 1 Results