Consistency of Readings
Always check the fluid level at least twice using the procedure described previously. Consistency (repeatable readings) is important to maintaining proper fluid level. If readings are still inconsistent, contact the dealer.
See also:
How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure.
WARNING
You can be burned if you spill coolant on hot engine part ...
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first.
Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's wa ...
When to Inspect the Engine Air Cleaner/Filter
Inspect or replace the air cleaner/ filter at the scheduled maintenance intervals.
See Maintenance Schedule on page 11‑3 for more information. If driving in dusty/dirty
conditions, inspect t ...