2009 Toyota Corolla Owners Manual - Page 252

3-6. Other interior features n Circling calibration STEP 1 STEP 2 Stop the vehicle in a place where it is safe to drive in a circle. Press and hold "AUTO" for 9 seconds. C appears on the compass display. STEP 3 Drive the vehicle at 5 mph (8 km/h) or less in a circle until a direction is displayed. If there is not enough space to drive in a circle, drive around the block until the direction is displayed. n Conditions unfavorable for correct operation The compass may not show the correct direction in the following situations: l The vehicle is stopped 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 near the anti-glare inside rear view mirror.) l The battery has been disconnected. l A door is open. 286