Typically, a brake light switch for a 2016 Kia Sorento costs about $10–$80 for the part, with OEM variants toward the higher end. If installed by a shop, total cost usually ranges from roughly $80–$200 depending on labor rates and location.
Understanding the part and its function
The brake light switch is a small sensor mounted near the brake pedal that signals the vehicle’s lighting circuit (and, in some models, other systems such as cruise control) when you press the pedal. When it fails or misadjusts, brake lights may not illuminate, stay on, or the cruise control may not disengage as expected. In the 2016 Sorento, the switch is typically mounted on or just above the brake pedal assembly and can be replaced with basic hand tools by a DIYer with careful attention to wiring and alignment.
Pricing overview
The price you pay depends on whether you choose an aftermarket part or an original equipment manufacturer (OEM) part, and whether you do the replacement yourself or have it done in a shop. The following ranges reflect common options from U.S. retailers and online marketplaces:
- Aftermarket brake light switch: about $10–$40.
- OEM Kia brake light switch: about $40–$80.
- Labor for installation (professional): about $60–$120, depending on shop and region.
In practical terms, most owners can expect a DIY part swap to cost around $10–$40 in parts, while a dealer or independent shop installation may bring the total closer to $80–$200, depending on the price of the part and local labor rates.
Where to buy and how to verify compatibility
Good places to shop include Kia dealerships, national auto parts chains (AutoZone, Advance Auto Parts, O'Reilly, Napa), and reputable online retailers. To avoid buying the wrong part, verify the exact part number for your Sorento’s brake light switch, or cross-reference using your vehicle identification number (VIN) and the manufacturer’s OE part number. Note that some Sorento models use a standard brake light switch, while others may require a switch that integrates with other pedal-assembly functions.
DIY replacement guide
If you decide to replace the switch yourself, you’ll generally:
- Disconnect the negative battery cable before starting.
- Access the brake pedal assembly from under the dash; remove any trim panels as needed.
- Disconnect the wiring harness from the old switch.
- Remove the switch mounting screw or clip and carefully extract the switch.
- Install the new switch, reconnect the wiring, and adjust the switch as required for proper pedal engagement.
- Reconnect the battery and test the brake lights by pressing the pedal with the ignition on and with the engine off; verify via a partner or a camera that the brake lights illuminate and auto-brake lights return to normal.
DIY replacement typically takes 30–60 minutes with basic hand tools, assuming the pedal assembly is accessible and there are no unusual mounting issues.
When to seek professional help
Seek professional assistance if you are unsure about electrical wiring, the correct switch model, or if your vehicle’s other systems (cruise control, ABS, or traction controls) seem affected after a switch replacement. A poorly installed brake light switch can create safety risks or trigger warning lights.
Summary
For a 2016 Kia Sorento, plan to spend roughly $10–$80 on the brake light switch itself, with OEM parts typically at the higher end; labor adds about $60–$120 if you hire a shop. DIY installation can save money, while professional replacement offers peace of mind and ensured compatibility. Always verify the correct part number and test the lights after installation.


