I am wondering what the purpose of this small red button on the garner drill handle? Didn't find anything in the manual and internet. Model - Bosch PBH 2100RE. : r/fixit
PBH 2100 RE Rotary Hammer | Bosch DIY
Bosch PBH 2100 RE / 3603CA9370 / GB 230 Volt Spare Parts | Miles Tool & Machinery Centre