[PDF] 2005 HUMMER H2 Owner Manual M - General Motors This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles ﬁrst sold in Canada, substitute the name “General Motors of Canada Limited” for HUMMER whenever it appears in this manual. Keep this manual in the vehicle, so it will be there if HUMMER H2 2005 GETTING TO KNOW MANUAL Pdf Download. Page 15 The HUMMER H2 design specifications The HUMMER H2 can climb a 16-inch provide the ability to traverse a maxi- (40.6-cm) vertical step. mum 60% (31°) grade, with passengers and equipment, on high friction surfaces at 6 mph (9.7 km/h). See Section 4 of your Owner Manual.