1998 Mercury Mystique Owner Guide 1st Printing - Page 174
1998 Mercury Mystique Manual
Page 174 highlights
Maintenance and care The horizontal aim must be adjusted first. You will need one 7 mm box wrench, open end wrench or T-15 Torx drive. The following procedures assumes that the vehicle's front structure is properly aligned. If the vehicle has been in an accident requiring the front end of the vehicle to be repaired, the horizontal indicator should be recalibrated by your dealer or a qualified service technician. Adjusting the horizontal aim 1. Make sure the vehicle is on a level surface. 2.With the hood open, locate the horizontal indicator and adjusting screw. 3. Turn the horizontal adjusting screw until the reference mark on the reflector extension aligns with the "0" reference mark on the horizontal indicator when viewed directly from above. 4. When the horizontal aim has been adjusted, close the headlamp access panel. 174