Pontiac 1998 Sunfire Owner's Manual page 54

at only 25 mph (40
km/h),
a 12=1b, (55 kg) baby
will suddenly become a 240-1b. (110 kg) force on
your arms. The baby would be almost impossible
to hold.
Secure the baby in an infant restraint.
Never hold
a
baby in your arms while riding in a
vehicle. A baby doesn't weigh much
--
until
a
crash, During a crash a baby will become so
heavy you can't hold
it.
For example, in
a
crash
CAUTION: (Continued)
1-38