See also:

SAFETY
The Elantra has two sets of lower Latch anchors in the second row's outboard seats. While they're buried in the seat cushions, they're not impossible to reach. My younger son, who uses a booster ...

Drive shafts and boots
Check the drive shafts, boots and clamps for cracks, deterioration, or damage. Replace any damaged parts and, if necessary, repack the grease. ...

Steering Gear Box, Linkage & Boots/Lower Arm Ball Joint
With the vehicle stopped and engine off, check for excessive free-play in the steering wheel. Check the linkage for bends or damage. Check the dust boots and ball joints for deterioration, cracks, ...