Toyota 2009 4runner Owner's Manual page 345

3-5. Using the storage features
Tray in the cup holder (vehicles without third seats)
n
CAUTION
n Items unsuitable for the cup holder
Do not place anything other than cups or aluminum cans in the cup holders.
Other items may be thrown out of the holders in the event of an accident or
sudden braking and cause injury. If possible, cover hot drinks to prevent
burns.
n When not in use
Second seat cup holder: Keep the cup holders closed.
Injuries may result in the event of an accident or sudden braking.
320
Pull the lid.
Cup holders