Automatic Transmission
DEXRON ULV Automatic Transmission Fluid.
Applies to: Automatic Transmission
Owner’s manual specs
Figures for the 2026 GMC Yukon XL, copied from GMC’s own owner’s manual. Every one links to the manual page it came from.
DEXRON ULV Automatic Transmission Fluid.
Applies to: Automatic Transmission
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 3 316.
Applies to: Engine Coolant
Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil 3 312.
Applies to: Engine Oil
Engine Compartment Fuse Block The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle.
Lift the cover to access the fuse block.
Instrument Panel Fuse Block The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.
pressor K64 STRTR MTR - Starter Motor K70 STRTR PINION - Starter Pinion K77 PWR/TRN - Powertrain Instrument Panel Fuse Block The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.
Rear Compartment Fuse Block The rear compartment fuse block is behind the access panel on the left side of the compartment.
Pull the panel out by grabbing the finger access slot at the rear edge.