To change the batteries in the Batman Movie Batcycle RC, please follow these steps:

Remote Controller
  1. Open the battery door with a screwdriver. If used batteries are present, remove these batteries from the unit by pulling up on one end of each battery. DO NOT remove or install batteries using sharp or metal tools.
  2. Install new batteries as show in the polarity diagram (+/-) inside the battery compartment.
  3. Replace the battery door securely.
Vehicle
  1. Move the power switch to the OFF position.
  2. Open the battery door with a screwdriver and remove the battery box. If used batteries are present, remove these batteries from the unit by pulling up on one end of each battery. DO NOT remove or install batteries using sharp or metal tools.
  3. Install new batteries as show in the polarity diagram (+/-) inside the battery compartment.
  4. Install the battery box and replace the battery door securely.