Then look for it in the answer choices. Eliminate answer choices that do not weaken the argument. Rental car agencies hope to target foreign tourists and travelers unfamiliar with the United States. A These new computer navigation systems are expensive to install in many automobiles. B Some foreigners visiting the United States may not understand English.
Some people argue that the computer's voice sounds extremely cold and impersonal.
D Many American citizens will also want to take advantage of the satellite-guided navigation systems. In the average U.S. city, paper maps and city guides are available in almost every hotel and gas station. We want to weaken or attack the plan, so our first step is to identify it. The plan, aimed at foreigners in the U.S., is to install computer systems in rental cars that call out directions in American English. Remember, nothing in the GMAT is there by accident.