1998 Lexus GS 300 Owners Manual - Page 370

INTRODUCTION NOTICE D Remember that battery and ignition cables carry high currents or voltages. Be careful of accidentally causing a short circuit. D Before closing the engine hood, check to see that you have not forgotten any tools, rags, etc. D Do not drive with the air cleaner removed, or excessive engine wear could result. Also backfiring could cause a fire in the engine compartment. D Do not overfill automatic transmission fluid, or the transmission could be damaged. D Be careful not to scratch the glass surface with the wiper frame. PARTS AND TOOLS Here is a list of parts and tools you will need to perform do-it-yourself maintenance. Remember all Lexus parts are designed in metric sizes, so your tools must be metric. Checking the engine oil level Parts (if level is low): D Use API grade SH, "Energy-Conserving II" or SJ, "Energy-Conserving" multigrade engine oil or ILSAC multigrade engine oil. For recommended oil viscosity, see page 374. Tools: D Rag or paper towel D Funnel (only for adding oil) Checking the engine coolant level Parts (if level is low): D Ethylene-glycol coolant D Demineralized or distilled water Tools: D Funnel (only for adding coolant) 357