He took out a screwdriver and gave one of the buttons at the back of the central remote a half - twist . He sprayed lubricant on the coils . And , oh yeah , replaced the wall unit 's shattered panel ( Now THAT I could prove was broken . ) .
Why did he spray lubricant on the coils ?
Pick the best answer from the following options:
- Because he took out a screwdriver .
 - None of the above choices .
 - Because one of the buttons at the back was given a half twist .
 - Because he replaced the wall unit 's shattered panel .


None of the above choices .