Radio Reception
Frequency interference and static can occur during normal radio reception if items such as cellular phone chargers, vehicle convenience accessories, and external electronic devices are plugged into the accessory power outlet. If there is interference or static, unplug the item from the accessory power outlet.
See also:
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 yea ...
Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam Changer):
Push the turn signal/ lane change lever away from you and release, to turn the high
beams on.
To return to low beams, push the lever again or pull it toward yo ...
Engine Oil Additives
Do not add anything to the oil. The recommended
oils with the starburst symbol that meet GM
Standard GM6094M are all you will need for good
performance and engine protection. ...