Pick up the programmer in San Mateo, and drive him quickly (using boost, but without erratic and dangerous driving) to the nearest location where the wayward robot might be, in Palo Alto. Drive slowly around the circled area on your minimap.
The robot isn’t there. Continue to the second location (the vicinity of Stanford University), and repeat the slow search until you’re instructed to reach the shopping area south of Nudle. That’s where he is! Just stop at the objective and complete the mission.
Residential Street, San Mateo, Silicon Valley.
Palo Alto, Silicon Valley.
Vicinity of Stanford University, Silicon Valley.
Shopping area, south of Nudle campus, Silicon Valley.