1998 Toyota 4Runner Owners Manual - Page 213

4RUNNER (1998) Rear The cup holder is designed for holding cups or drink- cans securely in its holes. To use the cup holder, pull it out. CAUTION D Do not place anything else on the cup holder, as such item may be thrown about in the compartment and possibly injure people in the vehicle during sudden braking or an accident. D To reduce the chance of injury in case of an accident or a sudden stop while driving, keep the cup holder retracted when not in use.