Installation Procedure

2005 Buick LeSabre Limited, 4T65E/M15SECTION Installation Procedure
    Fig 1: Identifying OnStar Button
    GM652381Courtesy of GENERAL MOTORS CORP.
  1. Position the center bottom of the mirror mount against the windshield at the top of the support button.
  2. Slide the base of the mirror onto the button.
  3. Make sure the mirror is firmly seated on the windshield button by pushing down on the base of the mirror.

    Tighten:Β  Tighten the set screw to 1.8 N.m (16 lb in) in order to secure the mirror base to the button.

  4. Install the base trim cover.
  5. Connect the electrical connector.
  6. Reposition the mirror assembly.
  7. Install the wire cover.
  8. Calibrate the compass.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.