Altima XE L4-24L Blower Motor Switch Testing for HVAC - Component Information - 1999 (Page 430)
Blower Motor Switch: Service and Repair
REMOVAL
1. Remove A/C & Heat control.
2. Remove fan control knob and temperature control knob.
Wrap knobs with a cloth and pull in direction as shown at left. Be careful not to scratch knob during removal.
3. Remove fan switch by lifting tabs with a small, flat-bladed screwdriver.