RE: Car Battery With Overflow Tube??
I've seen them but they are not super common. Mount the battery tightly and make sure it is not overfilled and you should be fine
2013 Passat TDI SE 56K(hers)
2002 VW Jetta TDI 177K (mine)
1995 Volvo 850 Turbo 270K (kids)
1983 Mercedes 300D 301K (diesel commuter)
1998 Volvo S70 T5 104K (fun car)