2009 Ford F450 Owner's Manual - Page 159

Locks and Security 4. Press and hold the 3 • 4. While holding the 3 • 4, press and release the 7 • 8. While still holding the 3 • 4, press and release the 7 • 8 a second time. 5. Release the 3 • 4. The user should receive a horn chirp to indicate the system has been disabled or a chirp followed by a honk to indicate the system has been enabled. CHILDPROOF DOOR LOCKS (IF EQUIPPED) • When these locks are set, the rear doors cannot be opened from the inside. • The rear doors can be opened from the outside when the doors are unlocked. The childproof locks are located on rear edge of each rear door and must be set separately for each door. Setting the lock for one door will not automatically set the lock for both doors. • Move lock control up to engage the childproof lock. • Move lock control down to disengage the childproof lock. REMOTE ENTRY SYSTEM (IF EQUIPPED) This device complies with part 15 of the FCC rules and with RS-210 of Industry Canada. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 159 2009 F-250/350/450/550 (f23) Owners Guide, 3rd Printing USA (fus)