1. Different background colors

1. Icons in service area: The background color of icons in service area is green.

2. icon of parking lot: the background color of the icon of parking lot is blue.

2. Different contents

1. Icon of service area: The contents of the icon of service area include parking and dining knives and forks, and refueling symbols.

2. Icon of parking lot: the content of the icon of parking lot is only parking symbol.

main advantages:

(1) the facilities in the first-class service area are the most complete and high-quality, with service facilities such as gas stations, parking lots, convenience stores, free lounges, restaurants and auto repair shops, and usually equipped with accommodation, bathing and other facilities with better facilities.

(2) Compared with the first-class service area, the second-class service area has a little shortage of related supporting facilities, but it has relatively perfect service functions compared with the third-class service area. Equipped with convenience stores, auto repair shops, restaurants, gas stations, parking lots, public toilets and other service facilities.