accident
aid
alarm
assistanc
automobile
call
calling
car
cartoon
character
communication
contact
cute
danger
dial
electronic
emergency
emoticon
emotion
expression
funny
gadget
happy
illustration
life
lightbar
mascot
mounted
night
patrol
phone
plastic
police
police car
ring
roblem
roof
rotating
safety
scene
security
service
smile
speaking
strobes
talking
telephone
transport
urban
warning