Janar motar motar yana da ginshiƙai uku, shafi (shafi na), tsakiyar shafi (a shafi na tsakiya (a shafi na), baya shafi na gaba zuwa baya. Ga motoci, ban da goyan baya, shafi kuma yana taka rawar da ƙafar ƙofar.
Shafin gaban shine shafin haɗin haɗin kai da dama na hagu wanda ya haɗu da rufin zuwa ɗakin gaba. Shafin gaba yana tsakanin dakin injin da kuma zakara, a saman madubai na hagu, kuma zai toshe wani ɓangaren juya halinku, saboda haka an tattauna shi, don haka aka tattauna batun.
Farin da ke kan abin da ke gaban shafi na toshe hoton direban dole ne a la'akari lokacin da la'akari da shafin gero na gaba. A karkashin yanayi na al'ada, layin direba na gani ta fuskar ginshiƙi, da kuma mafi kyawun kusurwa ta gaba, da kuma karami, matsalar da sabani. Dole zanen ya yi kokarin daidaita biyu don samun kyakkyawan sakamako. A shekarar 2001 na Arewacin Amurka Auto na Afirka auto, Sweden's Volvo ya ƙaddamar da sabon ra'ayin motar motarta na Carp. An canza shafin gaba zuwa tsari mai gaskiya, inlaid tare da gilashi mai gaskiya saboda direban ya iya ganin duniyar waje ta hanyar wahayi na hangen nesa ya ragu.
