The 1986 Buick Riviera is a luxury personal coupe featuring front-wheel drive, electronic fuel injection, digital instrumentation, climate control, power accessories, and advanced electronic systems. Below are key sections for safety, features, operation, maintenance, and troubleshooting.
Key components: 3.8L V6 engine with electronic fuel injection, front-wheel drive, 4-speed automatic transmission, electronic instrument cluster, climate control, power windows/locks/seats, and premium sound system.
| Feature | Description |
|---|---|
| Engine | 3.8L V6 with electronic fuel injection |
| Transmission | 4-speed automatic overdrive |
| Instrumentation | Electronic digital display with trip computer |
| Climate Control | Automatic temperature control system |
| Power Accessories | Windows, door locks, seats, antenna |
| Audio System | AM/FM stereo with cassette player |
| Steering | Power steering with tilt wheel |
| Brakes | Power front disc/rear drum with ABS |
| Seating | 6-way power front seats with lumbar support |
| Lighting | Automatic headlamp control |
Master control locations and operation procedures.
WARNING! Always set parking brake when parked on inclines. Keep hands clear of power windows.
Digital display includes speedometer, fuel gauge, temperature gauge, and warning lights.
CAUTION! If any warning light remains illuminated while driving, stop vehicle and investigate cause immediately.
Starting, driving, and basic operation procedures.
Starting: Insert key, ensure parking brake set, shift to Park, turn to START position. Release key when engine starts.
Driving: Automatic transmission positions P-R-N-D-2-1. Use D for normal driving, 2 for engine braking on hills, 1 for maximum engine braking.
Climate Control: Set desired temperature, fan speed, and air distribution mode. System automatically maintains temperature.
Regular maintenance intervals for optimal performance.
Tip: Keep records of all maintenance performed.
Recommended fluids and capacities.
| Fluid | Capacity | Type |
|---|---|---|
| Engine Oil | 4.5 quarts | 10W-30 |
| Coolant | 13.5 quarts | 50/50 antifreeze/water |
| Transmission | 11.5 quarts | Dexron II |
| Fuel Tank | 18 gallons | Unleaded gasoline |
| Brake Fluid | As needed | DOT 3 |
| Power Steering | As needed | Power steering fluid |
Standard safety equipment and operation.
Seat Belts: Manual lap/shoulder belts for all positions. Always wear seat belts while vehicle is in motion.
Brakes: Power-assisted front disc/rear drum brakes with anti-lock system.
Lighting: Halogen headlamps, side marker lights, center high-mounted stop lamp.
WARNING! Seat belts must be worn at all times. Children should be properly restrained in rear seat.
Exterior and interior cleaning recommendations.
Exterior: Wash with mild car wash soap and clean water. Dry with soft cloth. Wax regularly with non-abrasive automotive wax.
Interior: Vacuum carpets regularly. Clean vinyl with mild soap and water. Use glass cleaner on windows.
CAUTION! Do not use abrasive cleaners on painted surfaces. Avoid high-pressure car washes.
Basic warranty: 12 months/12,000 miles, whichever comes first. Powertrain warranty: 36 months/36,000 miles. Rust-through warranty: 36 months/unlimited miles. See your Buick dealer for complete warranty details and limitations.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine won't start | Battery/ignition/fuel | Check battery connections; ensure transmission in Park; check fuel level. |
| Rough idle | Spark plugs/fuel system | Check spark plugs and wires; inspect fuel filter; check air filter. |
| Overheating | Coolant level/thermostat | Check coolant level; inspect radiator cap; check thermostat operation. |
| Brake pulsation | Warped rotors | Have brake rotors inspected and resurfaced or replaced. |
| Electrical issues | Battery/alternator | Test battery and charging system; check connections. |
Service: Contact your authorized Buick dealer for all service needs.
Emergency: For roadside assistance, contact Buick Roadside Service.