2003 Nissan Altima Owner's Manual - Page 106

MIRRORS AUTO indicator light will be on. When the switch of the inside mirror is in the OFF position, the inside mirror will operate normally. Do not hang any object on the sensor or apply glass cleaner. Doing so will reduce the sensitivity of the sensor, resulting in improper operation. WPD0126 WPD0142 INSIDE MIRROR The night position 1 reduces glare from the headlights of vehicles behind you at night. Use the day position 2 when driving in daylight hours. 1. 2. 3. 4. 5. AUTO position OFF position AUTO indicator light Sensor (on back of mirror) Sensor WARNING Use the night position only when necessary, because it reduces rear view clarity. AUTOMATIC ANTI-GLARE INSIDE MIRROR (if so equipped) The inside mirror is designed so that it automatically changes reflection according to the intensity of the headlights of the vehicle following you. When the inside mirror switch is in the AUTO position, excessive glare from the headlights of the vehicle behind you will be reduced. The 3-16 Pre-driving checks and adjustments