Thanks for the Buggy Ride (2014) HD online

After recently being diagnosed with Alzheimer's Disease, Elgie Buxton, an 88-year-old retired Oklahoma truck driver, reminisces about his 45-year trucking career. He longs to be back on the road again...all alone and independent. His final wish, to climb back into the cab of an 18-wheeler and hit the Oklahoma highways, is unexpectedly granted. This touching, short documentary follows one man's journey back to the Mother Road.

Credited cast, sorted by IMDb STARmeter:
	Elgie Buxton	-	Grandpa