See also:

Engine coolant
The high-pressure cooling system has a reservoir filled with year round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...

Interior Features
Test drivers say the Rio and Rio5 have easy-to-read gauges and generally like the layout of the dash, but the praise ends there. The Rio’s barebones interior comes with a four-speaker audio syst ...

Engine start/stop button
Illuminated ENGINE START/STOP button Whenever the front door is opened, the ENGINE START/STOP button will illuminate for your convenience. The light will go off after about 30 seconds when the ...