Often there are handles behind the seat for someone else to do the pushing or input devices for caregivers.
ˈɔfən ðɛɹˌɑːɹ hˈændəlz bᵻhˌaɪnd ðə sˈiːt fɔːɹ sˈʌmwʌn ˈɛls tə dˈuː ðə pˈʊʃɪŋ ɔːɹ ˈɪnpʊt dɪvˈaɪsᵻz fɔːɹ kˈɛɹɡɪvɚz.