Hi-Tech Electronic Services

Phone: (818) 785-8085 | Store Address: 7049 Valjean Ave, Van Nuys, CA 91406

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  1. Home
  2. Troubleshooting Guide

How to fix the “Black Display Issue” in Audi A8, A7 and A6

January 17, 2019August 7, 2019
How to fix the “Black Display Issue” in Audi A8,  A7 and A6 Learn more

How to Troubleshoot BMW 7 Series E65 Sound & Navigation, Part 2

January 17, 2019January 17, 2019
How to Troubleshoot BMW 7 Series E65 Sound & Navigation, Part 2 Learn more

How to Troubleshoot Mercedes S550 Sound & Navigation

June 29, 2018June 29, 2018
How to Troubleshoot Mercedes S550 Sound & Navigation Learn more

How to Troubleshoot Mercedes E320 / E350 Sound & Navigation

June 29, 2018July 3, 2018
How to Troubleshoot Mercedes E320 / E350 Sound & Navigation Learn more

How to Troubleshoot BMW 7 Series E65 Sound & Navigation, Part 1

June 12, 2018October 2, 2018
How to Troubleshoot BMW 7 Series E65 Sound & Navigation, Part 1 Learn more

How to Troubleshoot Audi A8 Sound System

June 11, 2018June 12, 2018
How to Troubleshoot Audi A8 Sound System Learn more

If your unit has been repaired by us and is still within the warranty period, kindly get in touch. Send us an email containing a copy of your invoice and provide a detailed description of the issue with your unit. Upon receiving this information, we will assess your case and share a temporary shipping address for the warranty repair.

Phone number: (818) 785-8085
Email: service@hitechserv.com

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Tel: 818-785-8085

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