Learn About Your New GMC

Owner Center

One of the most well-respected and beloved automotive brand names in the world, our Buick/GMC SUVs and pickup trucks are preferred by families who value comfort and innovation. As a Buick/GMC vehicle owner, help for all your burning questions can be found in the Buick/GMC Owner Center, accessible at:


Buick GMC is committed to your safety. We are here to help you understand vehicle recalls and what steps you should take if your vehicle is affected.

Protection Plans

Experience Buick Protection

If you need help with your vehicle's radio, (Apple CarPlay and Android Auto), audio players, phone, navigation system, and voice or speech recognition MOSS BROS. BUICK-GMC in Moreno Valley, CA is here to help.

GMC Pro Grade Protection

Beautiful GMC Vehicle near the ocean

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  • Monday 8:30 am - 9:00 pm
  • Tuesday 8:30 am - 9:00 pm
  • Wednesday 8:30 am - 9:00 pm
  • Thursday 8:30 am - 9:00 pm
  • Friday 8:30 am - 9:30 pm
  • Saturday 9:00 am - 9:30 pm
  • Sunday 9:30 am - 9:00 pm