This is for a 1998 Pontiac Bonneville
Place the vehicle on a level pad or surface.
Close the doors.
Ensure that the fuel level is at a 1/2 tank or less.
Ensure that the tires are inflated to the proper pressure.
Complete the following steps and refer to the accompanying illustrations in order to adjust the headlamp aim:
1) Ensure that the headlamps are a distance of 7.6 m (25 ft) away from the wall.
2) Mark a vertical line on the wall. Align the vertical line with the center line of the vehicle.
3) Mark a horizontal line on the wall. Ensure that the distance (3) of the line to the floor is equal to the distance from the center of the headlamp aim dot (2) to the floor.
4) Using the headlamp aim adjusters (1), ensure that the following specifications match the specifications in the illustrations.