Service Only Mode
This power mode is available for service and diagnostics, and to verify the proper operation of the malfunction indicator lamp as may be required for emission inspection purposes. With the vehicle off, and the brake pedal not applied, pressing and holding the button for more than five seconds will place the vehicle in Service Only Mode. The instruments and audio systems will operate as they do in ON/RUN, but the vehicle will not be able to be driven. The engine will not start in Service Only Mode. Push the button again to turn the vehicle off.
See also:
Turn and Lane-Change Signals
Move the lever all the way up or down to signal a turn.
An arrow on the instrument panel cluster flashes in the direction of the turn or lane change.
Raise or lower the lever until the arrow sta ...
Customer Assistance for Text
Telephone (TTY) Users
To assist customers who are deaf, hard of hearing, or
speech-impaired and who use Text Telephones (TTYs),
Buick has TTY equipment available at its Customer
Assistance Center. Any TTY user can co ...
Cleaning the Display
Notice:
Using abrasive cleaners
when cleaning glass surfaces
could scratch the glass. Use only
a soft cloth and do not spray
cleaner directly on the system as
it could affect the mechanical ...