2013 Ford F350 Super Duty Super Cab Owner Manual Printing 3 - Page 406

Scheduled Maintenance 405 Owner Checks and Services Certain basic maintenance checks and inspections should be performed every month or at six month intervals. Check every month Engine oil level. Function of all interior and exterior lights. Tires (including spare) for wear and proper pressure. Windshield washer fluid level. Check every six months Battery connections. Clean if necessary. Body and door drain holes for obstructions. Clean if necessary. Cooling system fluid level and coolant strength. Door weatherstrips for wear. Lubricate if necessary. Hinges, latches and outside locks for proper operation. Lubricate if necessary. Parking brake for proper operation. Safety belts and seat latches for wear and function. Safety warning lamps (brake, ABS, airbag, safety belt) for operation. Washer spray and wiper operation. Clean or replace blades as necessary. 2013 F-250/350/450/550 (f23) Owners Guide gf, 3rd Printing, December 2012 USA (fus)