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Engine 3.6L 6-Cylinder DOHC

  • Recommended oil viscosity: 5W-30

  • Oil certification: DEXOS-1

  • Oil capacity: 7.0 quarts

Spark Plug Gap

  • 3.6L 6-Cylinder: 0.040''


  • Capacity
    • Front-Wheel Drive: 18.5 gal (70.0L)

    • All-Wheel Drive: 19.5 gal (74.0L)

Engine Coolant

  • Type: 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant.

  • Capacity

    • 3.6L (LF3): 10.4 qt (9.8 L)

    • 3.6L (LFX)  7.5 qt (7.1 L)

Hydraulic Brake System

Hydraulic Power Steering System

  • Type: DEXRON®-VI Automatic Transmission Fluid.

Windshield Washer System

  • Type: Automotive windshield washer fluid that meets regional freeze protection requirements.

Automatic Transmission

  • Type: DEXRON®-VI Automatic Transmission Fluid.

Transfer Case (All-Wheel Drive)

Chassis Lubrication

  • Type: Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.

Key Lock Cylinders, Hood, and Door Hinges

  • Type: Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474)

Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl

  • Type: Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.

Weatherstrip Conditioning



  • Gasoline:
    • 2.0 L LTG turbo I4

    • 3.6 L LFX V6

    • 3.6 L LF3 turbo V6


  • 6-speed 6T70 automatic

  • 6-speed 6T75 automatic

Fuel Consumption


Safety Ratings

Cadillac XTS Safety Ratings


  1. 2017 Cadillac XTS Owners Manual 

  2. Cadillac XTS -

  3. US Department of Energy -

  4. NHTSA | National Highway Traffic Safety Administration -


Front Lights

  • Daytime Running Light Bulb: LED

  • Front Sidemarker Light Bulb: 194

  • Front Turn Signal Light Bulb: 7444NA

  • High Beam and Low Beam Headlight Bulb: HID-D3S

Rear Lights

  • Back Up Light Bulb: 921

  • Brake Light Bulb: L2200R-4C

  • Center High Mount Stop Light Bulb: LED

  • License Plate Light Bulb: 2825L

  • Parking Light Bulb: 7444NA

  • Rear Sidemarker Light Bulb: LED

  • Rear Turn Signal Light Bulb: L2200R-4C

  • Tail Light Bulb: L2200R-4C

Interior Lights

  • Dome Light Bulb: 2886X

  • Interior Door Light Bulb: 2825L

  • Map Light Bulb: LED

  • Trunk Light Bulb: 175

  • Vanity Mirror Light Bulb: 7065