Standard Ignition HLS-1612 Instrument Panel Dimmer Switch

Brand Standard Ignition HLS-1612
Attachment Method Direct, Snap Fit
Connector Gender Female
Connector Shape Rectangular
Knob Color Black
Terminal Gender Male
Terminal Type Pin
Voltage 12
Fits Buick · 8 vehicles

OE direct replacement. Direct-replacement switch made to OE spec for proper fit, form, and function.

Copper alloy conductors. Deliver superior electrical conductivity with low resistive losses.

Snap-fit design. Installs with a direct, secure attachment method.

Cross-references Spectra Premium S10479, 1S11789 and 20862480 for the same application. See all 5.

$107.72Free shipping
In stock · usually ships same day before 1pm CST
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Order total $107.72
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Free returns within 60 days if it doesn't fit when fitment is verified.

Instrument Panel Dimmer Switch for Buick LaCrosse

Restore proper interior lighting control with this Standard Ignition instrument panel dimmer switch. Built as a direct-replacement electrical switch, HLS-1612 is made to OE specifications for correct fit, form, and function in supported Buick LaCrosse applications.

It uses copper alloy conductors for strong electrical conductivity and low resistive loss, along with a durable design suited to service work on 12-volt systems. This Standard Ignition HLS-1612 switch is a practical replacement for worn or damaged OE units on 2012-2013 and 2015-2016 Buick LaCrosse models with the listed equipment.

Key Features

  • Direct, snap-fit attachment method for OE-style installation
  • Female connector with 1 rectangular connector interface
  • 7 male pin terminals for electrical connection
  • 12-volt electrical design
  • Black knob color
  • OE-spec construction for proper fit, form, and function
  • Copper alloy conductors for efficient current transfer

Detailed Description

The Standard Ignition HLS-1612 is an electrically operated instrument panel dimmer switch designed as a direct replacement for damaged original equipment units. It is engineered to match OE specifications, helping maintain correct dashboard lighting control and related switch operation in supported Buick LaCrosse vehicles. This part cross-references Spectra Premium S10479 for the same application.

Compatible With 2012-2013 Buick LaCrosse, N/A, w/ Head-Up Display; w/ Head Up Display; Titanium. Compatible With 2012-2013 Buick LaCrosse, N/A, w/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium. Compatible With 2015-2016 Buick LaCrosse, N/A, w/ Head-Up Display; w/ Head Up Display; w/ Auto Headlights; Titanium. Compatible With 2015-2016 Buick LaCrosse, N/A, w/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium.

What It Helps Fix

  • Inoperative or inconsistent instrument panel dimming control
  • Damaged or worn OE switch contacts
  • Intermittent dashboard lighting response
  • Electrical issues caused by poor conductivity in the switch assembly
  • Replacement needs after switch housing or knob wear

Installation Notes and Tips

Verify connector style, terminal count, and vehicle equipment before installation. This part uses a direct, snap-fit attachment method and a single female connector, so matching the OE layout is important for proper operation. Confirm Buick LaCrosse fitment by year and option content, especially Head-Up Display, Auto Headlights, Fog Lights, and Titanium trim details.

Quality Assurance

Standard Ignition builds this switch to OE specification using robust materials and copper alloy conductors to support reliable electrical performance in service applications. Part number HLS-1612 is intended to deliver the correct fit and function for the listed Buick LaCrosse vehicles.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2016BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Auto Headlights; Titanium
2016BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium
2015BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Auto Headlights; Titanium
2015BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium
2013BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; Titanium
2013BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium
2012BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; Titanium
2012BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — S104791S1178920862480HL7637SW8987