Base Removal

Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L3] .)
Disconnect the negative battery cable.
Remove the rearview mirror. (See REARVIEW MIRROR REMOVAL .)
Wind each end of a wire around a bar.
WARNING:
- Using the piano wire with bare hands can cause injury. Always wear gloves when using the piano wire.
NOTE:
- Use a long sawing action to spread the work over the whole length of the piano wire to prevent it from breaking.
  
  Fig 1: Cutting Sealant
  Courtesy of MAZDA MOTORS CORP.
Fix one end of the piano wire, and while pulling the other end, cut the sealant to remove the base.