[. . . ] [. . . ] Determine the correct value for your wheel size from U Table C "Wheel Size Chart" (refer to next page). If the speed is nearly the same is displayed, if lower Then and if higher . Observe direction of plus and minus poles; when the compartment is open you must see the PLUS side of the battery!Warranty We are liable to our contracting partners for defects as defined by law. [. . . ] [. . . ]