See also:

Maintenance under Severe Usage Conditions
The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals. R : Replace I : Ins ...

40 MPG POWERTRAIN
Under the hood, the Hyundai Elantra is powered by an all-new 1.8-liter Nu four-cylinder engine with 148 horsepower and 131 lb-ft of torque (145 horsepower and 130 lb-ft of torque for Elantra PZEV) ...

Trunk Lid (4 Door)
o The trunk lid is opened by first turning the key clockwise to release the lock, then raising the door manually. o To close, lower the trunk lid, then press down on it until it locks. To be sure ...