Looking at the comment history of [MENTION=35512]be.claire[/MENTION], appears to be a good context aware bot. EDIT: Looks like the Mods think so too
Meanwhile...
The frameless windows is what necissates those locks against the body. Typically frameless is the mark of a more expensive vehicle or those models with convertibles.
However, I've had cars without the locks and the windows would pull away from the body about an inch (25mm) at high speed and that was always pretty scary.