Checking And Adjusting Conditions

• Tire pressure OK
• The headlamp glass must not be damaged or dirty.
• Reflectors and light sources OK
• Initialization phase of the headlamp range control must be completed. ¹⁾
• Standard suspension: move vehicle back and forth for a few meters or bounce the front and rear of vehicle several times up and down to settle the springs.
• The vehicle and the headlamp adjusting unit must be on level ground.
• Vehicle or headlamp adjusting unit must be aligned.
• Angle dimension must be set.
• The DTC memory must be erased.
• The headlamp adjusting unit must be set to the correct adjusting mode (light mode), if equipped.
• Pay attention, refer to Headlamp Adjusting Unit Operating Instructions.
• The current software for the Headlamp Adjusting Unit :VAS 621 001  is available on the homepage of the manufacturer.

¹⁾ A referencing operation occurs for the headlamp range control stepper motors in the dimming direction during the initialization phase. The headlamp range control initialization occurs after the vehicle engine start or terminal 15 connection is established.