Vehicle Headlamp Aiming Device (VHAD)
IMPORTANT:
This system can only be used to adjust the factory settings and only if the vehicle is on a level surface.
Headlamp aim adjustments can be accomplished on-vehicle using no external devices. If the vehicle has been in an accident and/or the vehicle's front structure has been altered, refer to Screen Methods .
If the customer believes that the headlamps are misaligned, attempt to correct the alignment using this procedure first. If this procedure does not correct the alignment, refer to Screen Methods .
Headlamp adjustment includes vertical aim (light adjustment up and down) and horizontal aim (light adjustment left and right). Before attempting to adjust either the horizontal or the vertical aim, prepare the vehicle as follows:
- Place the vehicle on a level pad or surface.
- Stop all operations or work on the vehicle that would affect the vehicle trim.
- Rock the vehicle to stabilize the suspension.
- Fill the fuel tank.
- Inflate the tires to the recommended pressure.
- Have an approximately 73 kg (160 lb) occupant or weight in the driver seat.
- Include regularly carried cargo in the vehicle.
- Assemble all components and accessories to the vehicle.