GF40.15-P-5127GZ System Activation Button, Component Description

GF40.15-P-5127GZ System activation button, component description
- with CODE (475) Tire pressure monitor (Siemens) [model 164]
- with CODE (470) Tire pressure monitor (base) [model 164.8]

Component Identification:

Location
The system activation button for tire pressure monitor is located on the right side of the multifunction steering wheel.

Task
When the tire pressure monitoring system (TPM) is activated, the wheel air pressures set by the driver are stored in the TPM [RDK] control unit (N88) as specified monitoring values.