Footnotes — Maintenance Schedule Additional Required Services — Normal
a) Check all fuel and vapor lines and hoses for proper hook-up, routing, and condition. Check that the purge valve, if the vehicle has one, works properly. Replace as needed.
b) Or every four years, whichever comes first.
c) Or every five years, whichever comes first. See Cooling System .
d) Or every 10 years, whichever comes first. Inspect for fraying, excessive cracking, or damage; replace, if needed.

See also:
Wiper Blade Replacement
Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance for more information.
It is a good idea to clean or replace the wiper blade assembly on a regular bas ...
Overview
Buick has rekindled a name from its storied 20th-century past to mark the
beginning of a new level of refinement: Super. The badge is designated
exclusively for Buick's most premium, powerful mode ...
Turning the System On or Off
VOL/ (Volume/Power): Press to
turn the system on and off.
Automatic Switch-Off
If the infotainment system has been
turned on after the ignition is turned
off, the system will turn off
autom ...
