Instruments and controls / Mirrors 3-83
 3 . To adjust for compass zone variance : ( 1 ) Find your current location and zone number on the map . ( 2 ) Press and hold the “ ” switch for more than 6 seconds or until a zone number appears in the display . ( 3 ) Once the zone number appears in the display , toggle the “ ” switch again until your current location zone number appears . After you stop pressing the switch , your new zone number will be saved . Within a few seconds , the display will show a compass direction .
 4 . If the vehicle ’ s magnetics have changed or if the compass appears inaccurate , recalibrate the compass . Press and hold the “ ” switch for more than 9 seconds or until a “ C ” appears in the display . Once a “ C ” appears in the display , slowly drive the vehicle in circles until compass is calibrated .
 & Auto-dimming mirror / compass with HomeLink ® ( if equipped )
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 1 )  | 
 Compass  | 
 2 )  | 
 HomeLink Buttons  | 
 3 )  | 
 Switch  | 
 During nighttime driving , the auto-dimming feature senses distracting glare from vehicle headlights behind you and automatically dims to eliminate the glare and preserve your vision .
 ! To Operate the Auto-Dimming Feature
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 Press the “ ” switch to turn the autodimming feature on / off . The auto-dimming feature is enabled when the switch ’ s green LED indicator is on . The auto-dimming feature will default to on with each ignition
 cycle .
 ! To Operate the Compass Feature
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 1 . To turn the compass feature on / off , press and hold the “ ” switch for more than 3 seconds or until the display turns on / off . The compass feature will default to on with each ignition cycle .
 2 . If the display reads “ C ”, slowly drive the vehicle in circles until compass is calibrated .
 Compass calibration zones
 3 . To adjust for compass zone variance : ( 1 ) Find your current location and zone number on the map . ( 2 ) Press and hold the “ ” switch for more than 6 seconds or until a zone number appears in the display . ( 3 ) Once the zone number appears in
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