Buick RIVIERA 1993 Manual page 116

'Electrical Problem Warning Light
3
This light will come on if
an elecpical problem has
been detected. Have your
vehicle inspected by your
Buick dealer right away.
Door Ajar Light
"DOOR AJAR" will light
to warn you that one of
your doors is not shut
completely when you shift
out
of
PARK.