LG 32LG710H Owner's Manual page 139

The model and serial number of the TV is located
on the back and/or on one side of the TV.
Record these numbers below should you ever
need service.
MODEL
SERIAL
1-800-243-0000
1-888-865-3026
1-888-542-2623
LG Customer Information Center
USA, Consumer User
USA, Commercial User
CANADA