1996 Hyundai Elantra

Code 700 is a generic code that means a problem has occured with the transmission control module, and code 760 is for a shift solenoid failure.
The shop would use a repair manual to test the circuit for the shift solenoid. If the solenoid is faulty, it would need to be replaced and the module reset.

the correct spark plugs are un the onwers manual, if you need more information for your hyundai go to hmaservice.com.

Revised Bulletin
This TSB supersedes the Cylinder Head Bolt Torque Specifications previously described in TSB # 96-20-003, TSB # 96-20-003-1 and TSB # 97-20-004.
DESCRIPTION:
This bulletin provides torque specification corrections to the 1996 and 1997 Elantra Shop Manual, 1997 Elantra Service Data Book, 1997 Tiburon Shop Manual and 1997 Tiburon Service Data Book.
Please record the corrections (listed) in the appropriate manuals and write the TSB number on the bottom of the pages listed below for future reference.
CYLINDER HEAD BOLT:
(M10) 30 Nm (300 kg.cm; 22 lb.ft) + (60°to 65°) + (60°to 65°)
(M12) 35 Nm (350 kg.cm; 26 lb.ft) + (60°to 65°) + (60°to 65°)

Go to google and type in the search bar Service Manual for 1996 Elantra. You will have many choices.

Normally the Audio (Radio CODE) is noted in the owner's manual. If you don't have it, you must contact Hyundai Motor America and give them the Vehicle VIN number... they may then (possibly) be able to give you the CODE.

The air bag light can only be reset by a diagnostic CPU or the local dealer ship.

Web site http://www.hmaservice.com/ - register and you'll have access to more info than you can imagine. Crea me.

repair manuals have wiring diagrams
1996 2013 Hyundai Elantra Haynes Repair Manual PDF