1998 Mercury Sable Owner Guide 1st Printing - Page 166
1998 Mercury Sable Manual
Page 166 highlights
Maintenance and care 3. Turn the horizontal adjusting screw in the direction of the arrow to change the horizontal aim as shown. 4. Use a 7 mm wrench or socket to turn the horizontal adjusting screw until the "0" reference mark on the view dial is aligned with the rearward facing tab (as shown) on the plastic housing. Vertical aim adjustment 1. Park the vehicle on a level surface. 2. With the hood open, locate the bubble level vertical aim indicator. It is visible when viewed from above center rear of the headlamp. Locate the vertical adjusting screw, located on the outboard side of the headlamp adjacent to the headlamp upper outboard attachment. 3. The "UP" and "DN" on the bubble label indicate the directional change (up or down) of the vertical aim. 4. Use a 7 mm wrench or socket to turn the vertical adjusting screw clockwise or counterclockwise until the bubble aligns with the "0" reference mark on the vertical indicator when viewed directly from above. Repeat the above procedures to the other headlamp, if necessary. 166