2011 Toyota Tacoma Regular Cab Owners Manual - Page 913

3-6. Other interior features n Conditions unfavorable to correct operation The compass may not show the correct direction in the following conditions: l The vehicle is stopped immediately after turning. The compass does not adjust while the vehicle is stopped. l The engine switch is turned off immediately after turning. l The vehicle is on an inclined surface. l The vehicle is in a place where the earth's magnetic field is subject to interference by artificial magnetic fields (underground car park/parking lot, under a steel tower, between buildings, roof car park/parking lot, near an intersection, near a large vehicle, etc.). l The vehicle has become magnetized. (There is a magnet or metal object on or near the roof.) l The battery has been disconnected. CAUTION n While driving the vehicle Do not adjust the display. Be sure to adjust the display only when the vehicle is stopped. n When doing the circling calibration Be sure to secure a wide space, and watch out for people and vehicles in the neighborhood. Do not violate any local traffic rules while performing circling calibration. 350