You will need a screwdriver.
Before starting work: Disconnect the wire from the terminal "–" battery.
1. Raise the parking brake lever.
2. Turn away the screw of fastening of the switch of a control lamp of inclusion of a parking brake.
3. Remove the switch from the hole in the body.
4. Remove the insulating tube from the wire lug and disconnect the lug from the switch.
5. To test the switch, connect it according to the diagram (use a test lamp rated for 12V). When the switch button is pressed, the lamp should go out, when the button is released, it should light up. Otherwise, replace the switch. Install the switch in the reverse order of removal.