Toyota Sienna Service Manual: Outside vehicle

General maintenance

Check the parts of the vehicle described below on a daily basis. Performing maintenance checks on the vehicle is the owner's responsibility. The owner may take the vehicle to a service center but it is recommended that the owner perform the checks.

In most cases, special tools are not required.

The procedures for general maintenance are as follows.

1. GENERAL NOTES

• Maintenance requirements very depending on the country.
• Check the maintenance schedule in the owner's manual supplement.
• Determine the appropriate time to service the vehicle using either miles driven or time (months) elapsed, whichever reaches the specification first.
• Maintain similar intervals between periodic maintenance unless noted.
• Failing to check each vehicle part could lead to poor engine performance and increase exhaust emissions.

2. LIGHTS

(a) Check that the headlights, stop lights, taillights, turn signal lights, and other lights illuminate or blink.

Also, check that they have enough brightness.

3. WARNING LIGHTS AND BUZZERS

(a) Check that all the warning lights and buzzers are working.

4. HORNS

(a) Check that the horn is working.

5. WINDSHIELD GLASS

(a) Check for scratches, pits or abrasions.

6. WINDSHIELD WIPER AND WASHER

(a) Check that the washers are aimed properly. Also, check that the washer fluid hits the center of the operating range of each wiper on the windshield.

(b) Check that the wipers streak or not. Replace the wiper if necessary.

7. WINDSHIELD DEFROSTER

(a) When the heater or air conditioner is on the defroster setting, check that air comes out of the defroster outlet.

8. REAR VIEW MIRROR

(a) Check that the rear view mirror is securely mounted.

9. SUN VISORS

(a) Check that the sun visors move freely and are securely mounted.

10. STEERING WHEEL

(a) Check that the steering wheel has the proper free play. Also check for steering difficulty, unusual noises (See page SR-2).

11. SEATS

(a) Check that the seat adjusters, seatback recliner and other front seat controls operate smoothly.

(b) Check that all the latches lock securely in all positions.

(c) Check that the locks hold securely in all positions.

(d) Check that the headrests move up and down smoothly and that the locks hold securely in all latched positions.

(e) When the rear seatbacks are folded down, check that the latches lock securely.

12. SEAT BELTS

(a) Check that the seat belt system such as the buckles, retractors and anchors operate properly and smoothly.

(b) Check that the belt webbing is not cut, frayed, worn or damaged.

13. ACCELERATOR PEDAL

(a) Check that the pedal operates smoothly. In other words, check that the pedal does not have uneven pedal resistance or become stuck in certain positions.

14. BRAKE PEDAL

(a) Check that the pedal operates smoothly.

(b) Check that the pedal has the proper reserve distance and free play (See page BR-10).

(c) Start the engine and check the brake booster function.

15. BRAKES

(a) In a safe place, check that the vehicle remains straight when applying the brakes.

16. PARKING BRAKE

(a) Check that the pedal has the proper range of motion (See page PB-1).

(b) On a low incline, check that the parking brake alone can stabilize the vehicle.

17. AUTOMATIC TRANSMISSION "PARK" MECHANISM

(a) On a safe incline, check that the vehicle is held securely with the selector lever in the "P" position with all the brakes released.