Download Some Genesis Coupe 3.8L manual transmission vehicles may experience minor reduced engine performance at gear shifts when the engine speed exceeds red line (approximately 6500 rpm). APPLICABLE VEHICLES: • Model: 2010 GENESIS COUPE (BK) 3.8L manual transmission vehicles SERVICE PROCEDURE: CAUTIONS DURING CONTROL UNIT UPDATE 1. Make sure the vehicle’s battery has reasonable charge. If the vehicle has been in storage for days, run the engine to ensure an adequate battery charge state for reliable update results. 2. Turn off all lamps (Do not leave head lamp switch in auto mode) and all accessories (including heater, A/C, blower, radio, seat warmer, defroster, etc.) to prevent the battery discharge during the update. 3. Perform the update with the ignition switch in the ON position. 4. Be careful not to disconnect any cables connected to the vehicle or scan tool during the update. 5. Do not start the engine during update. 6. Do not turn off the ignition switch during update.