Removal Procedure

WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Brake Fluid Level Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Remove the underhood electrical center bracket. Refer to Underhood Electrical Center or Junction Block Bracket Replacement .
Disconnect the brake fluid level indicator switch electrical connector.

Fig 2: View Of Brake Fluid Level Sensor

Courtesy of GENERAL MOTORS CORP.

While simultaneously depressing the retaining tabs on the opposite side of the switch electrical connection, carefully pull the switch from the master cylinder reservoir.
Remove the low brake fluid level sensor.