The Mazda CX-9 is a full-size crossover SUV manufactured by Mazda beginning with a 2007 model. Some models have keyless entry remote fob smart keys that are onboard programmable, which means a person can program the keyless entry remote fob smart key with no special equipment other than the keyless entry remote fob smart key programming instructions. However, other models are not onboard programmable and require special equipment in order to program the keyless entry remote fob smart key.