Service Update
Buick technical service bulletin 18248 for 2018 Buick Regal.
- Bulletin number
- 18248
- Component
- Electrical system: instrument cluster/panel
- Summary
- 18248 - Service Update - Certain 2018 Buick Regal vehicles with C4 clusters and RPO IOT radios do not provide a ?Speed Sign? in the cluster display. This feature needs to be calibrated onto the radio. Vehicle needs to be re-calibrated to add ?Speed Sign? to IOT radio.
Owners of these vehicles have filed 3 complaints in the electrical category.
Vehicles covered
- Buick Regal 2018 2018
VIN decoder
See the problems and recalls for an exact car
Buying a used Buick Regal?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history