2003 Nissan Xterra Owner's Manual - Page 205

DRIVE BELTS Vehicles operated in high temperatures or under severe conditions require frequent checks of the battery fluid level. JUMP STARTING If jump starting is necessary, see "Jump starting" in the "In case of emergency" section of this manual. If the engine does not start by jump starting, the battery may have to be replaced. Contact a NISSAN dealer. WDI0286 KA24DE engine 1 2 3 4 5 LDI0302 Crankshaft Water pump Generator Air conditioner compressor Power steering fluid pump : Tension checking points 2. Check the fluid level in each cell If it is necessary to add fluid, add only distilled water to bring the level up to the bottom of the filler opening. Do not overfill. WARNING Be sure the ignition key is in the OFF or LOCK position. The engine could rotate unexpectedly. Maintenance and do-it-yourself 8-19