. Hello and welcome to Just answer.com, Super mechanic here. About your vehicle.
They are little torx screws. One of them is sort of hidden, down in a little cutout. Here are the steps for aiming along with some pictures.
HEADLAMP ALIGNMENT PREPARATION
ALIGNMENT SCREEN PREPARATION
HEADLAMP ADJUSTMENT WITH BUBBLE LEVEL AIMER A properly aimed low beam headlamp will project the center of the low beam hot spot on the alignment screen 152 mm (6 in.) ±50 mm (2 in.) below the headlamp center line. The center of the hot spot should be 254 mm (10 in.) ±50 mm (2 in.) right of the headlamp center line. The high beams on a vehicle with aero headlamps cannot be aligned. The high beam pattern should be correct when the low beams are aligned properly.
The adjust headlamp alignment, rotate adjusting screws to achieve the specified low beam hot spot location. HEADLAMP ADJUSTMENT WITHOUT BUBBLE LEVEL
Vehicles without a bubble level aimer, the low beam headlamp will project on the screen upper edge of the beam (cut-off) at the horizontal lamp centerline ±50 mm (2 ins.) . There is no horizontal aiming adjustment. Horizontal aim is preset and does not require adjustment. The high beam pattern should be correct when the low beams are aligned properly. To adjust headlamp vertical alignment, rotate adjusting screw to achieve the specified low beam cut-off location.