2002 Nissan Quest Owner's Manual - Page 243

DRIVE BELTS 2. Have the belts checked regularly for condition and tension in accordance with the maintenance schedule found in the ''NISSAN Service and Maintenance Guide.'' SPARK PLUGS ADI0060 ADI0061 WARNING Be sure the ignition key is in the OFF or LOCK position. The engine could rotate unexpectedly. 1. Visually inspect each belt for signs of unusual wear, cuts, fraying or looseness. If the belt is loose or in poor condition, have it replaced or adjusted by an authorized NISSAN dealer. REPLACING SPARK PLUGS WARNING Be sure the engine and ignition switch are off and that the parking brake is engaged securely. CAUTION Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs. 8-16 Maintenance and do-it-yourself