For the 2006 GMC Canyon, the supplied fitment data lists a 9005 bulb for the high-beam headlight. No low-beam bulb is specified in the available data, so verify the headlamp assembly before ordering a replacement. The fog lights use 9045 bulbs.
Other exterior lighting includes 3757A bulbs for the front turn signals, parking lights, and front side markers. Rear turn signals and reverse lights use 3057, while the tail and brake lights use 3057R. The rear side markers use 3057A. The center stop light and trunk light both use 912, and daytime running lights use 4157NA.
For interior and utility lighting, the dome light uses 561, the map lights use 212-2, and the license plate lighting is listed with either 2825 or 98. Confirm the installed socket and housing when replacing the unspecified low beam or license plate bulbs.