Buick 1993 Century Owner's Manual page 85

Parking Over Things That Burn Engine Exhaust
a
CAUTION:
Things that can burn could touch hot exhaust
parts under your vehicle and ignite. Don't park
over papers, leaves, dry grass or other things
that can burn.
A
CAUTION:'
'
Engine exhaust can kill. It contains the gas
carbon monoxide
(CO), which you can't see
or
death.
You might have exhaust coming in if:
Your exhaust system sounds strange or
Your vehicle gets rusty underneath.
I
Your vehicle was damaged in a collision.
Your vehicle was damaged when driving over
I
high points on the road or over road debris.
Repairs weren't done correctly.
Your vehicle or exhaust system had been
If you ever suspect exhaust is coming into
your vehicle:
Drive
it
only with all the windows down to
Have
it
fixed immediately.
I
smell. It can cause unconsciousness and
different.
modified improperly.
blow out any CO; and