KYMCO B&W 150 Owner's Manual page 22

(10) HORN/LIGHTS INSPECTION
Turn the ignition switch "ON" and press the horn button to
check if it sounds.
Headlight/Taillight Inspection:
Start the engine and turn on the headlight switch to check
if the headlight and taillight are good and check the light
shells for dirt and damage.
Stoplight Inspection:
Apply the front and rear brake levers respectively to check
if the stoplight is good. And also check the stoplight shell
for dirt and damage.
Turn Signal Light Inspection:
Operate the turn signal switch to make sure that the
right/left front and rear turn signal lights can flash and click.
Also check the light shells for dirt and damage.
Headlight Taillight/ Stoplight
Horn button
CAUTION:
Replace any dirty or damaged lights with new ones to
avoid danger during riding.
Turn signal light
18