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COMPASS REFERENCE GUIDESTARTMake sure vehicle isrunning or key is turnedto the “on” positionto ensure mirror isreceiving power.Press compassdisplay button (ifavailable).Is there a display incompass window?YESDoes the compassdisplay read “C”?NOYESNONOIs the incorrect directiondisplayed?YESIs the zone location set toyour location?Is the mirror receiving 12V?YESENSURE:1. EC mirror harness power wireis securely tapped into OEMharness.2. Ignition wire is receiving 12V.3. Ground wire is securelyattached to vehicle ground.NONOSET ZONE:1. Press and hold compass display /power button (if available).2. Release button when zone number(1-15) is displayed.3. Use zone map to verify yourlocation.4. Use compass display / powerbutton to select correct zone.5. Allow selected zone to clear fromdisplay.6. Press and hold compass display /power button until “C” is displayedCALIBRATE:Follow calibrationinstructions listed.*OEM Original Equipment Manufacturer (ex. Ford, GM, etc)* This is intended as a tool for self-diagnosis. Gentex advisescontacting your local dealership for assistance.Compass functions to designintent.STILL NOYESContact OEM dealershipfor replacement harness.
How to Troubleshoot Your Compass MirrorCalibration instructions:1) If the compass display reads “C” the compass feature must be calibrated.a) To calibrate the compass, drive the vehicle in up to 3 complete circles at less than 5mph.Setting the Correct Zone1. Press the power button (if available) for more than 9 seconds, or until the current Zone.2. Find your current location and variance Zone Number on the zone map on the pages below.3. Press the power button (if available) until the new desired Zone Number appears in thedisplay.4. Within a few seconds a compass direction will be displayed and the new zone is set.Note: It is recommended to take your vehicle to your local dealership if your mirror does not havea power button.Note: Installing items such as a ski rack, antenna, luggage rack, or recent body repair can causechanges to the vehicle’s magnetic field. This may require that the compass be recalibrated byperforming the recalibration procedure
1133152144311513641256107 8 World Magnetic Model, Epoch 2020 2025Generated for 2025 at 0m AMSL 2016, 2019 Gentex CorporationCompass Zone MapUSGSNational Atlas of the United StatesWorld Boundary Data Bank II(For Reference Only)
1531413412115GNTX1067Magnetic Zone Variation MapMap Data (for reference only): USGS,National Atlas of the United States,World Boundary Data Bank IIMagnetic Field Data: NOAA/NCEIWMM2020 (Data for 2025) 2016, 2019 Gentex Corporation89
121110139814765GNTX43Magnetic Zone Variation MapMap Data (for reference only): USGS,National Atlas of the United States,World Boundary Data Bank IIMagnetic Field Data: NOAA/NCEIWMM2020 (Data for 2025) 2016, 2019 Gentex Corporation
111039485GNTX7Magnetic Zone Variation MapMap Data (for reference only): USGS,National Atlas of the United States,World Boundary Data Bank IIMagnetic Field Data: NOAA/NCEIWMM2020 (Data for 2025) 2016, 2019 Gentex Corporation6
123413121151069GNTX7878Magnetic Zone Variation MapMap Data (for reference only): USGS,National Atlas of the United States,World Boundary Data Bank IIMagnetic Field Data: NOAA/NCEIWMM2020 (Data for 2025) 2016, 2019 Gentex Corporation6
9876GNTX5432Magnetic Zone Variation MapMap Data (for reference only): USGS,National Atlas of the United States,World Boundary Data Bank IIMagnetic Field Data: NOAA/NCEIWMM2020 (Data for 2025) 2016, 2019 Gentex Corporation
789GNTX101112131415Magnetic Zone Variation MapMap Data (for reference only): USGS,National Atlas of the United States,World Boundary Data Bank IIMagnetic Field Data: NOAA/NCEIWMM2020 (Data for 2025) 2016, 2019 Gentex Corporation
EC mirror harness power wire is securely tapped into OEM harness. 2. Ignition wire is receiving 12V. 3. Ground wire is securely attached to vehicle ground. Contact OEM dealership for replacement harness. Is the zone location set to . your location? *OEM Original Equipment Manufacturer (ex. Ford, GM, etc) * This is intended as a tool for self .
