2003 Nissan Altima Owner's Manual - Page 192
2003 Nissan Altima Manual
Page 192 highlights
BRAKE AND CLUTCH FLUID ● Recommended fluid is NISSAN PSF or equivalent. Genuine For further brake and clutch fluid specification information, refer to "Capacities and recommended fuel/lubricants" in the "Technical and consumer information" section of this manual. WARNING Use only new fluid from a sealed container. Old, inferior or contaminated fluid may damage the brake and clutch systems. The use of improper fluids can damage the brake system and affect the vehicle's stopping ability. CAUTION Do not spill the fluid on any painted surfaces. This will damage the paint. If fluid is spilled, immediately wash the surface with water. LDI0079 BRAKE FLUID Check the brake fluid level in the reservoir. If the fluid level is below the MIN line or the brake warning light comes on, add Genuine NISSAN Super Heavy Duty Brake Fluid or equivalent DOT 3 fluid up to the MAX line. If fluid must be added frequently, the system should be checked by a NISSAN dealer. 8-16 Maintenance and do-it-yourself