At Bill Marsh Buick, we offer the CNA Extended Service Contract as well as service contracts backed by the vehicle manufacturer. Below you can find more information on both types. Please be aware this page provides a summary of coverages and does not cover the full extent of your extended service contract.

CNA Automotive Preferred Care
CNA offers up to a 7 year, 100,000 mile extended service plan.


Comprehensive covers the following parts.
  • Engine
  • Transmission
  • Drivetrain Assembly
  • Suspension
  • Steering
  • Brakes
  • Electrical
  • Air Conditioning and Heating
  • Fuel System
  • Cooling System
  • Interior Electronics
  • Powertrain Electronics
  • Convenience Accessories
  • Vehicle Hardware

Sport Package

If the vehicle you have purchased is a sport utility, van or truck, the following parts are also covered. Coverage is limited to these listed parts:
  • Body Accessories: Step bumpers and mounting brackets, spare tire carrier, spare tire swing arm and its pivot latches and locks, running boards, swing away-mirror arms and mounts, pop-out or sliding side/rear window latches and hinges.
  • Convenience and Utility: Bed liner (except warpage), rail protectors, tailgate handle, tailgate lock and cables, tailgate hinges, and latches, tailgate edge protectors, cargo tie-down, cargo lamp, gun rack and tool box.
  • Four-Wheel Accessories: Locking hub assembly (except damaged or worn brake rotors) skid plates, tow hooks, power winch motor and remote control wiring harness, power winch rollers, brush guards and headlight grills.
  • Trailering: Trailer hitch receiver, insert and wiring receptacle, bed-mounted fifth-wheel hitch, auxiliary fuel tank and its cut-over switch, running light bodies and lenses.

Expense Reimbursement Package*

  • Rental Car: If you can't drive your vehicle due to a breakdown and it must stay in the shop overnight, CNA will pay you for the cost of a rental car from a licensed rental agency. The limit is two hundred forty-five dollars ($245) not to exceed thirty-five dollars ($35) per 24-hour period. You must incur this expense between the date of the breakdown and the date that covered repairs are completed.
  • Towing: If you can't drive your vehicle due to a breakdown, CNA will pay you for towing charges that are not reimbursed to you by any road club, insurance policy, or by your vehicle manufacturer's warranty. The limit is one hundred dollars ($100) per occurence.
  • Manufacturer's Warranty Deductible: When a breakdown is also covered under a warranty issued by the manufacturer or your vehicle, CNA will pay you for the required deductible. The limit is one hundred dollars ($100) per occurence.
  • Emergency Road Service: CNA will pay you for road service labor charges performed at the scene as required to rectify emergency situations involving your vehicle, such as: out of gas, flat tire, keys locked in car, battery discharged, door locks frozen or accessory drive belt failure. The limit is fifty dollars ($50) per occurence.
  • Travel Lodging: If you can't drive your vehicle due to a breakdown, are stranded overnight and covered repairs are completed more then one hundred (100) miles from your home, CNA will pay your for lodging and meails. You must incur these expenses between the date of breakdown and the date that covered repairs are completed. The limit is two hundred twenty-five dollars ($225), not to exceed seventy-five dollars ($75) per 24-hour period.
*State restrictions may apply.

Specialty Option Package (Optional Surcharge)

Coverage limited to these listed parts:Enhanced Electronics: Rain-sensing wiper sensors, near object avoidance transmitter and receivers/sensors, proximity pass key and sensor, rear view camera, intelligent cruise-control transmitters and sensors, rear compact disc player, rear audio system, and electronic video game. (Coverage for all electronic components is limited to base units only. There is no coverage for remotr controls, hand-held devices, wiring, cassettes, compact discs, DVDs or game cartridges, Component replacements are limited to one occurence.)
  • Supplemental Cooling: Evaporator, expansion valve, blower fan motor, control switch.
  • Conversion Van: Power captain's chairs and sofa bed (limited to motors, switches, transmissions), auxiliary or indirect lighting fixtures and switches, conversion window latches and hinges, fold-down or fixed tables, cabinet hinges, latches and handles, roof ladder, roof storage rack, metal or fiberglass spare tire cover.
  • Recreational Equipment: Fresh water tanks, lines, faucets, pump, inlet and sink, stove and/or oven unit and their LP gas bottles, regulators, lines and fittings, microwave oven.
All components must have been installed in your vehicle at the time of purchase by a licensed company. Damage from contaminants, dirt, dust, or foreign objects is excluded.
GM Protection Plan
Your car, truck or van is a major purchase you'll want to protect for years to come. Protect your vehicle, and likely enhance its value, with Major Guard, the premium and most comprehensive vehicle service contract endorsed by General Motors.

With Major Guard, virtually every component of your vehicle is covered in the event of mechanical failure beyond the warranty period - even if it results from wear and tear. If it's not on the short list of what's not covered, it's covered.

Major Guard protects your against unexpected financial surprised by covering costly parts and labor expenses. If repairs are necessary, you can take care of them conveniently through any of the more than 7,500 GM dealerships across the United States and Canada.

Best of all, when you're on the road with Major Guard, you have the only service contract endorsed by General Motors ... providing security and peace of mind for the life of your vehicle service contract.


Major Guard provides premium and comprehensive protection and benefits.

Parts and Labor Costs

Virtually every mechanical, electrical and electronic component of your vehicle is covered against failure - even if it results from wear and tear.

That includes parts and labor on:
  • Engine
  • Transmission/Transaxle
  • Front/Rear-wheel-drive assemblies
  • Fuel system
  • Engine cooling system
  • Heating and vehicle manufacturer-installed air conditioning systems
  • Electrical, computer and audio systems
  • Braking sysem components
  • Suspension (Front/Rear)
  • Steering system
  • High-tech components
  • Seals and gaskets
  • Safety assemblies

Roadside Assistance

Major Guard provides 24-hour-a-day roadside assistance anywhere in the United States and Canada by calling our toll-free number for:
  • Flat tire change
  • Towing
  • Battery jump
  • Locksmith/Key service
  • Out-of-gas fuel delivery

Alternate Transportation

If your vehicle is repaired under Major Guard, you're covered for alternate transportation. Major Guard will pay the cost to rent a replacement vehicle or for public transportation (some limits apply) whenever two or more labor time guide hours are required for the repair, or your vehicle is not drivable and must be kept over night.

Meets Your Needs

Choose the Major Guard term that is best for your situation. Coverage is offered based on years of anticipated ownership and annual mileage driven. Deductible choices are available from $0 to $200, meaning you can limit or virtually eliminate unanticipated out-of-pocket expenses for covered repairs.

Major Guard can be purchased at any time during the new vehicle limited warranty period, but the earlier you buy, the better the value. If a vehicle is our-of-warranty when it is purchased, Major Guard can only be bought at the time of vehicle purchase. You can even make Major Guard part of your monthly plan.

Repair paperwork is gone too, because everything is taken care of by your GM dealer.

You may also enhance your vehicle's value because if you sell your vehicle, Major Guard can be transferred to the new owner for a small administrative fee.

With Major Guard, your vehicle is protected. Regardless of the term you select, Major Guard will give you peace of mind for the long run.

Component Coverage

Covered Parts

It's a simple as this: If it's not on the very short list of what's not covered, it's covered!

For years, millions of Major Guard customers have known that, "From the engine to the trunk lock, if a part breaks - even if it results from wear and tear - and it's not on the list of the few items not covered, Major Guard will pay for the repair less any applicable deductible - whatever the part!"

Non-Covered Parts

  • Sheet metal
  • Body parts, panels and rails
  • Bumpers
  • Chassis frame
  • Cross members
  • Hunges
  • Trim, moldings, and bright metal
  • Paint
  • Rust damage
  • Convertible and vinyl tops
  • Weather strips
  • Carpet and upholstery
  • Exhaust system and catalytic converter
  • Tires
  • Glass
  • Lenses
  • Sealed beams
  • Light bulbs
  • Batteries
  • Brake drums
  • Shock drums
  • Squeaks, rattles, wind noise and odors
  • Correction of air and water leaks
Unless required in connection with a covered part GMC will not pay for: engine tune-up, suspension alignment, wheel balancing, filters, lubricants, engine coolant, drive belts, radiator hoses, heater and vacuum hoses, windshield wiper blades, air conditioning recharging, fluids, spark/glow plugs and wires, brake pads/linings and brake shoes/rotos, manual clutch disc, vehicle manufacturer recommended maintenance services and parts.

Every other part is covered!

Questions and Answers

Q. What is Major Guard?
A. Major Guard is the premium vehicle service contract for cars, light-duty trucks and vans.

Q. What does Major Guard provide?
A. It covers the parts and labor costs of repairing covered vehicle components against failure - even if it results from wear and tear. It also provides Roadside Assistance and Alternate Transportation.

Q. How much does Major Guard cost?
A. That depends on the vehicle you're covering, the time, mileage, and deductible choices made, and wheny ou purchase the contract.

Q. Is Major Guard transferable?
A. Yes. If can be transfered to a new owner upon sale of the vehicle, for a small administrative fee.

Q. What if I buy Major Guard and then decide I don't want it?
A. Major Guard has a money-back satisfaction guarantee. Cancel within 60 days (with no claims files) for a full refund. After that, your refund is prorated (less an administrative fee).

Q. What do I ultimately get from Major Guard?
A. The elimination of unexpected financial surprises on covered repairs. Security down the road and peace of mind for the long run.

Q. Why is coverage based upon years of ownership and mileage driven?
A. It ensures that you get a vehicle service contract tailored to your needs, nothing more, and nothing less.

Take the Next Step

Ask your GM dealer for all the details on Major Guard. Discover for yourself the good sense of protecting your vehicle purchase with the comprehensive premium vehicle service contract.

Remember, you can depend on Major Guard to:
  • Protect you from unexpected covered repair expense
  • Ensure covered repairs are made by GM trained technicians or the facility of your choosing
  • Add value to your vehicle
  • Keep you moving
Then relax and enjoy your vehicle knowing you're backed by Major Guard... that's peace of mind.