Aftertreatment DEF Tank Level - Driver Warning & Inducement........................373 Aftertreatment DEF Quality - Driver Warning & Inducement..............................374 Misfilling Diesel or Aftertreatment DEF Tanks.....................................................375 SCR Tampering - Driver Warning & Inducement .................................................376 Warranty and Maintenance ....................................................................................377 Exhaust Aftertreatment System Maintenance........................................................377 Emissions Maintenance .........................................................................................377 Engine Maintenance Intervals................................................................................378 Engine Gaseous Emission Control Systems ..........................................................379 Emissions Control System Warranty .....................................................................380 Engine Gaseous Emissions Control System Warranty ..........................................381 Federal Emission Requirements ............................................................................381 Emission Control System Warranty — California.................................................382 Emissions Control System Warranty .....................................................................385 Oil Change Intervals ..............................................................................................387 MAINTENANCE AND LUBRICATION..................................................................388 DAILY MAINTENANCE .........................................................................................388 TOWING PROCEDURE...........................................................................................389 Caging Spring Brake Chambers.............................................................................396 ENGINE OIL LEVEL CHECK.............................................................................403 Engine Maintenance Intervals................................................................................405 POWER STEERING, GENERAL.........................................................................406 COOLING SYSTEM.............................................................................................408 CAB .......................................................................................................................409 HEADLIGHTS ......................................................................................................410 ROOF EXTENDER...............................................................................................412 FRONT BUMPER/LICENSE PLATE MOUNTING............................................415 MODIFICATIONS TO VEHICLE........................................................................418 WHEELS ...............................................................................................................420 BATTERY..............................................................................................................424 Battery Voltage Protection System ........................................................................433 ELECTRICAL.......................................................................................................436 METRIC CONVERSIONS.........................................................................................444 METRIC CONVERSIONS .......................................................................................444