givesignitiontothecar.Thedoorsnowadaysalsocomewithchildsafetylocksandaregenerally
installedonthereardoorsthispreventsthechildrentoexitfromthecarwhilethecarismoving
alsothisfeatureisspeciallyinstalledinthepolicecarsastherearethechancesthatthecriminal
canescapefromthebackdoorofthecarwhilethecarisinmotion.Thisfeaturepreventssuch
cases.
Door switches,
Thesefeaturesaregenerallyinstalledonthedoorofthedriver.Theseswitchesareconnectedto
theinteriorlightofthecarorthewarninglightthusinformsthedriverthatoneofthedoorsis
not closed. Also nowadays cars with a buzzer the beepswhen one of the car doors is open.
Windows,
Theseareinstalledonacardoor.Itssolepurposeisnotallowingthepassengerstolookoutside
butalsotoallowthedrivertoviewthesideglassestoviewtheoveralltrafficontheroad.When
onewantstoopenawindowittheglasstypicallyslidesintothecarbody.Itisdonemanually
withthehelpofrotatingaleverlikestructureandalsowiththehelpofaswitchthatispresent
on the door.