Graco Quattro Tour 1764042 Owner's Manual page 83

INFANT RESTRAINT METAL AND PLASTIC PARTS may be cleaned
by wiping with a mild soap and water solution. DO NOT USE BLEACH
OR DETERGENT which may weaken plastic parts.
HARNESS STRAPS may be spot cleaned or replaced. DO NOT
IMMERSE THE HARNESS STRAPS IN WATER. Doing so may weaken
the harness straps. NEVER iron the harness straps.
IF HARNESS STRAPS have cuts, fraying or become badly twisted, you
must replace the straps.
BUCKLE may be cleaned with a damp cloth.
DO NOT LUBRICATE the buckle.
DO NOT USE INFANT RESTRAINT without seat pad.
CONTINUOUS USE OF INFANT RESTRAINT MAY CAUSE
DAMAGE TO VEHICLE SEAT. Use an infant restraint mat, towel
or thin blanket to protect upholstery.
NEVER USE A SECOND-HAND INFANT RESTRAINT AND BASE
or an infant restraint whose history you do not know.
43