Headlight Aiming

WARNING: This page is about a different car, the 2008 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Adjust the tire pressure to the specification.
Position the unloaded vehicle on a flat, level surface.
Seat one person in the driver's seat.
Position the vehicle straight ahead and perpendicular to the white screen.
Set the headlights 3 m {9.8 ft} from the white screen.
Place an object in front of the headlight not being adjusted to block its light beam.
Start the engine so that the battery remains charged.
Turn on the low-beam headlight.
Set the headlight leveling switch to the 0 position. (Vehicles with discharge headlights)

Fig 1: Aiming Headlight In Front Of White Screen
Courtesy of MAZDA MOTORS CORP.
Adjust the headlight by loosening the adjusting screws as shown in the figure.
NOTE:
- If the adjusting screws are tightened first, then loosened, they will continue to loosen when the vehicle is in motion and may cause the headlights to become misaligned.
  Always turn the screws in the tightening direction.
  
  Fig 2: Headlight Adjusting Screws
  Courtesy of MAZDA MOTORS CORP.
Turn the adjusting screws to adjust the headlight so that the elbow point is in the shaded area shown in the figure.

Fig 3: Identifying Elbow Point While Adjusting Headlight
Courtesy of MAZDA MOTORS CORP.