2007 Infiniti M35 Owner's Manual - Page 335

WINDSHIELD WIPER BLADES removed. Never pour fuel into the throttle body or attempt to start the engine with the air cleaner removed. Doing so could result in serious injury. CLEANING If your windshield is not clear after using the windshield washer or if a wiper blade chatters when running, wax or other material may be on the blade or windshield. Clean the outside of the windshield with a washer solution or a mild detergent. Your windshield is clean if beads do not form when rinsing with clear water. Clean the blade by wiping it with a cloth soaked in a washer solution or a mild detergent. Then rinse the blade with clear water. If your windshield is still not clear after cleaning the blades and using the wiper, replace the blades. VQ35DE engine SDI1831 WARNING Operating the engine with the air cleaner removed can cause you or others to be burned. The air cleaner not only cleans the air, it stops flame if the engine backfires. If it isn't there, and the engine backfires, you could be burned. Do not drive with the air cleaner removed, and be careful when working on the engine with the air cleaner Maintenance and do-it-yourself 8-23