Katsugeki Shoujo Tanteidan
Genres: Action, Comedy
Type: OVA, Episodes: 1
Aired: Nov 25, 1986
Studio: TMS Entertainment
Source: Original
Rating: G - All Ages
Synopsis:
Our heroine has been kidnapped and her two somewhat ditzy friends decided to save her in a war machine they found in her house. Unfortunately they have little idea of how it works so let the random destruction begin. 

(Source: AniDB)