You should ideally wear chemical splash goggles while working around a vehicular battery.
Once the inside of the car detailing is done the outside often is done next. http://Nfibscam.org/__media__/js/netsoltrademark.php?d=WWW.So0912.com%2Fhome.php%3Fmod%3Dspace%26uid%3D794543%26do%3Dprofile%26from%3Dspace