Sign, license display, and online advertising requirements

Required signs


Automotive repair dealers must display required signs. This includes the Automotive Repair Dealer sign. A station sign is also required for each station license.

Sign Where to display
Automotive Repair Dealer Visible to customers
Reference: BPC § 9884.17, CCR §§ 3351.3, 3351.4
Smog Check Station
Test-and-repair / Decal
Test-only / Decal
Repair-only / Decal
Outside, visible to the public
Reference: CCR § 3340.22
STAR Station Outside, visible to the public
Reference: CCR § 3392.2
Notice to Consumers (Español) Visible to customers
Reference: HSC § 44017.3, CCR § 3340.22.2
Diesel-Only Service
Heavy-duty Only Service
Light-duty Only Service
Outside, visible to the public.
Attach to or immediately below the station sign.
Reference: CCR § 3340.22.1
Vehicle safety systems inspection station Outside, visible to the public
Reference: CCR §§ 3312.2, 3313.1

Requirements for mobile automotive repair dealers

  • Provide a paper copy of the Automotive Repair Dealer sign with each work order.

  • Display on each mobile repair vehicle the following in at least 72 point font:

    • Business name as registered with BAR

    • Automotive repair dealer registration number

    • Phone number as registered with BAR

Reference: CCR §§ 3351.3, 3351.7.3

License display


  • Display your automotive repair dealer license and any station licenses.

  • Stations must also post inspector and technician licenses.

  • Licenses must be displayed in an area easily visible to customers.

  • Keep licenses under glass or other transparent cover.

  • You can print a copy of your license online.

Reference: CCR §§ 3312.2(b), 3340.15(c), 3351.3(a)(1)

Online advertising


All online advertisements must include your:

  • Business name as registered with BAR

  • Automotive repair dealer registration number

  • Phone number as registered with BAR

If your ad lists more than one location, include the required information for each location.

You must also display the required information on your website in a place that is easy for customers to find. For example, on your contact page or in the footer where your business address appears.

If your ad is a company-wide promotion that does not show individual locations, include your website address. Your website must clearly display the required information for each registered location.

Reference: CCR § 3371.2