Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 GMC Terrain AWD L4-2.4LFACTORY OEM SERVICE PROCEDURE
Entertainment System Control Module: Locations
Instrument Panel/Center Console Component Views
Instrument Panel Components (1 of 2)
1 - P16 Instrument Cluster
2 - B10B Ambient Light/Sunload Sensor (C68) or B10 Ambient Light Sensor (C67)
3 - P19B Speaker - Center Instrument Panel (UZ8)
4 - P17 Info Display Module
5 - P19V Speaker - Right Front Tweeter
6 - A20 Radio/HVAC Controls
7 - A11 Radio
8 - S3 Transmission Shift Lever
9 - P2 Transmission Shift Lever Position Indicator
10 - T11 Multimedia Player Interface Module (KTA)
11 - K108 Active Noise Cancellation Module (VQN)
12 - E8J Instrument Panel Courtesy Lamp - Left (LTZ or SLT)
13 - S36 Instrument Panel Dimmer Switch
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.