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:
Fuel
Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline adv ...
Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases
to remain off. Have the headlamp wiring checked right away if the lamps go on and
off or remain off. ...
Intelligent personal technologies
The contemporary atmosphere of the cabin includes the digital connectivity
and personal technology offered in the new Buick LaCrosse. That includes
features such as in-dash navigation, Bluetooth c ...
