Modern cars are not easy to work on. You're lucky if you can find the spark plugs.

Trouble Shooting
    Check Engine Light and Trouble Codes
Jeep problems

Car Talk
10W40 Auto Repair Directory
Automotive directories at:
Yahoo > Recreation > Automotive
Google > Recreation > Autos > Repair/

Basics/Diagrams:
Exhaust System
Engine Diagram (Sensors, Valves, ...)
Jeep Wrangler Front end
CV Joint, Jeep
Steering Knuckle Ball Joint
U-Joint
Oil Flow Diagram
Exhaust System
Exhaust Gas Recirculation (EGR) diagram
Shocks - Struts
See Shocks Vs. Struts :: MONROE

Tips - General Tips troubleshooting etc.
Gas, Octane and Combustion
Winter Mileage drops
Fluids overfilling oil, automatic transmission, differential,
Maintenance (coolant/antifreeze, oil, ...)
Cleaning and Protecting, rubber, vinyl and plastic
Batteries
Jump Starting
Windshield Repair / Replacement
Trailer Towing Guidelines
Jeep Modification in recreation
High Gas Mileage AWD cars
Subaru XV Crosstrek
Headlight Adjustment

Repair:
See:
Auto Repair - Diagnostics, Estimates, Guides, Shops & Mechanics | AutoMD.com
Auto Repair Reference Center (ARRC) available thru EBSCOhost from the library
Online Diagnostics and Repair at AllData. $25/yr.
Rust Repair
Removing Rusted Bolts
Duct Tape, WD-40, gasket sealer, ...
Protectants
O₂ (O2) Sensors - Function - Replacing
Oil

Driving Tips:
KYB Americas | What worn shocks do (or don’t do)

Electronics:
Remote Access
Infotainment Systems
Tesla Home Charging
Electric Vehicle Charging

See under Products:
Home Charging Installation | Tesla
Tires
Trailer Hitches
Backup Sensors
Jeeps
Drivers Waving (Jeep, Motorcycle, Subaru)

Mail Order:
JC Whitney

Car Resource Sites:
AA1Car.com
Car Search - Gives A-Z listings of manufacturers, suppliers and distributors. There is also a list of brand names arranged by product with supplier cross-references.

Links:
Glossary.
Autonomous Cars
Autos & New Car Buying Guides under products.