2011 Toyota Highlander Navigation Manual - Page 344

CAUTION D For safety, the driver should not operate the navigation system while he/she is driving. Insufficient attention to the road and traffic may cause an accident. D While driving, be sure to obey the traffic regulations and maintain awareness of the road conditions. If a traffic sign on the road has been changed, route guidance may not have the updated information such as the direction of a one way street. Under no circumstances is this system a substitute for the driver's personal judgement 4