One problem related to headlight switch has been reported for the 2010 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Ford F-150 based on all problems reported for the 2010 F-150.
During day time driving in rain or overcast the dashboard lights will not come on making it impossible to determine speed you are going. Switching from automatic to manual control of headlights has no effect on dash lights. They stay off! I believe this affects all current Ford vehicles.