Service station attendants sell fuel and clean windshields. They also provide basic automotive services.

Service station attendants fill fuel tanks for cars, buses, trucks, and other vehicles. When drivers stop at the pumps, attendants ask them the type of fuel they want and the amount. While gas tanks are filling, attendants may wash vehicles' windshields. Once tanks are full, attendants collect payments from customers. They make change for cash payments or process credit card sales. Time permitting, attendants may also provide basic vehicle care. They may check vehicle fluid levels and tire pressure. They add air or fluids as needed.

At some gas stations, attendants perform simple repairs and services. They may replace batteries or change tires and windshield wipers. They also perform more complex repairs under the supervision of mechanics. These repairs include replacing belts, lights, spark plugs, oil, and air filters. The number of gas stations that provide repair services is declining, so these tasks do not apply to all attendants. Similarly, the number of stations that provide full service is declining. Thus, many attendants do not pump gas. Instead, they collect payments and perform other tasks at the station. For example, they answer customers' questions and clean the station and restrooms. They may also prepare daily reports about the amount of fuel, oil, and accessories sold. If the station has merchandise displays, attendants set them up, keep them stocked, and take inventory of the items. They may also operate car washes and test and charge car batteries.